21116413365324 has 48 divisors (see below), whose sum is σ = 49632117091200. Its totient is φ = 6987318742656.

The previous prime is 21116413365323. The next prime is 21116413365331. The reversal of 21116413365324 is 42356331461112.

It is not an unprimeable number, because it can be changed into a prime (21116413365323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13076487 + ... + 14602305.

It is an arithmetic number, because the mean of its divisors is an integer number (1034002439400).

Almost surely, 2^{21116413365324} is an apocalyptic number.

It is an amenable number.

21116413365324 is an abundant number, since it is smaller than the sum of its proper divisors (28515703725876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21116413365324 is a wasteful number, since it uses less digits than its factorization.

21116413365324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534262 (or 1534260 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The spelling of 21116413365324 in words is "twenty-one trillion, one hundred sixteen billion, four hundred thirteen million, three hundred sixty-five thousand, three hundred twenty-four".