septillion

(noun, numeral)

noun

1. the number that is represented as a one followed by 24 zeros

Definition categories: quantity

numeral

1. (US; modern British & Australian, short scale) A trillion trillion: 1 followed by 24 zeros, 1024.

2. (dated British & Australian, long scale) A billion quintillion: 1 followed by 42 zeros, 1042.