15625464504 has 32 divisors (see below), whose sum is σ = 42068559120. Its totient is φ = 4807835136.

The previous prime is 15625464493. The next prime is 15625464523. The reversal of 15625464504 is 40546452651.

It is a congruent number.

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, 25040497 + ... + 25041120.

Almost surely, 2^15625464504 is an apocalyptic number.

It is an amenable number.

15625464504 is an abundant number, since it is smaller than the sum of its proper divisors (26443094616).

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

15625464504 is a wasteful number, since it uses less digits than its factorization.

15625464504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50081639 (or 50081635 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 15625464504 in words is "fifteen billion, six hundred twenty-five million, four hundred sixty-four thousand, five hundred four".