13256004165204 has 24 divisors (see below), whose sum is σ = 30931679247840. Its totient is φ = 4418524789024.

The previous prime is 13256004165179. The next prime is 13256004165251. The reversal of 13256004165204 is 40256140065231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17522394 + ... + 18263249.

It is an arithmetic number, because the mean of its divisors is an integer number (1288819968660).

Almost surely, 2^{13256004165204} is an apocalyptic number.

It is an amenable number.

13256004165204 is an abundant number, since it is smaller than the sum of its proper divisors (17675675082636).

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

13256004165204 is a wasteful number, since it uses less digits than its factorization.

13256004165204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35816519 (or 35816517 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 13256004165204 in words is "thirteen trillion, two hundred fifty-six billion, four million, one hundred sixty-five thousand, two hundred four".