21163132025004 has 24 divisors (see below), whose sum is σ = 51083422130160. Its totient is φ = 6811122950464.

The previous prime is 21163132024997. The next prime is 21163132025011. The reversal of 21163132025004 is 40052023136112.

It is an interprime number because it is at equal distance from previous prime (21163132024997) and next prime (21163132025011).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30406798539 + ... + 30406799234.

It is an arithmetic number, because the mean of its divisors is an integer number (2128475922090).

Almost surely, 2^{21163132025004} is an apocalyptic number.

It is an amenable number.

21163132025004 is an abundant number, since it is smaller than the sum of its proper divisors (29920290105156).

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

21163132025004 is a wasteful number, since it uses less digits than its factorization.

21163132025004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60813597809 (or 60813597807 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 21163132025004 in words is "twenty-one trillion, one hundred sixty-three billion, one hundred thirty-two million, twenty-five thousand, four".