# What Comes after Trillion?

Quadrillion. 1 quadrillion would look like this 1,000,000,000,000,000. 15 zeroes following the 1.
In the short scale order of magnitude, one quadrillion follows one trillion.
In the long scale order of magnitude one thousand trillion, also called a trilliard, follows one trillion
Trilliard is said to come after a trillion. It is equal to 1021