13253156375656 has 64 divisors (see below), whose sum is σ = 25963436898000. Its totient is φ = 6334151577600.

The previous prime is 13253156375597. The next prime is 13253156375677. The reversal of 13253156375656 is 65657365135231.

13253156375656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 5740020555556 + 7513135820100 = 2395834^2 + 2741010^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 13253156375656.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372293250 + ... + 372328846.

Almost surely, 2^{13253156375656} is an apocalyptic number.

It is an amenable number.

13253156375656 is a deficient number, since it is larger than the sum of its proper divisors (12710280522344).

13253156375656 is a wasteful number, since it uses less digits than its factorization.

13253156375656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51622 (or 51618 counting only the distinct ones).

The product of its digits is 51030000, while the sum is 58.

The spelling of 13253156375656 in words is "thirteen trillion, two hundred fifty-three billion, one hundred fifty-six million, three hundred seventy-five thousand, six hundred fifty-six".