The largest number accepted in the system of successive powers of ten, is the **centillion**, first registered in 1852. Represents the 100th power of one million, or the number 1 followed by 600 zeros (although only used in Great Britain and Germany).

**centillion**, first registered in 1852. Represents the 100th power of one million, or the number 1 followed by 600 zeros (although only used in Great Britain and Germany).