A quadrillion is a million, million, million, millions or 10^24 from quad for four, you see a quadbike does not have two and a half wheels, just as a tricycle does not have two wheels (...look up trillion).

A quadrillion dollars is a million, million, million, millions of dollars or $1, 000 000, 000 000, 000 000, 000 000.

by Repete456 December 28, 2009

by 5'1"Racer February 12, 2005

The number of planets in no mans sky.

I wonder how many planets are in No Man's Sky?

18 quintilton 446 quadrillion 774 trillion 073 billion 709 million 551 thousand 616 planets

18 quintilton 446 quadrillion 774 trillion 073 billion 709 million 551 thousand 616 planets

by not behind the meme August 16, 2017

An extremely large number, even larger than fifteenty trillion. Decimal form: 190,000,000,000,000,000. Prefix: hectononagintapeta. Reverse: femtocentinonaginti.

by The number scientist May 16, 2021