13525668504 has 48 divisors (see below), whose sum is σ = 36638638920. Its totient is φ = 4507741440.

The previous prime is 13525668479. The next prime is 13525668547. The reversal of 13525668504 is 40586652531.

13525668504 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 566 + 85 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13525668504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 487699 + ... + 514685.

Almost surely, 2^13525668504 is an apocalyptic number.

It is an amenable number.

13525668504 is an abundant number, since it is smaller than the sum of its proper divisors (23112970416).

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

13525668504 is a wasteful number, since it uses less digits than its factorization.

13525668504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33960 (or 33953 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 13525668504 in words is "thirteen billion, five hundred twenty-five million, six hundred sixty-eight thousand, five hundred four".