13265653560156 has 48 divisors (see below), whose sum is σ = 34732954344480. Its totient is φ = 4378103481600.

The previous prime is 13265653560149. The next prime is 13265653560161. The reversal of 13265653560156 is 65106535656231.

13265653560156 is a `hidden beast` number, since 1 + 3 + 2 + 6 + 5 + 65 + 3 + 560 + 15 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608059021 + ... + 608080836.

It is an arithmetic number, because the mean of its divisors is an integer number (723603215510).

Almost surely, 2^{13265653560156} is an apocalyptic number.

It is an amenable number.

13265653560156 is an abundant number, since it is smaller than the sum of its proper divisors (21467300784324).

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

13265653560156 is a wasteful number, since it uses less digits than its factorization.

13265653560156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216139971 (or 1216139963 counting only the distinct ones).

The product of its (nonzero) digits is 14580000, while the sum is 54.

The spelling of 13265653560156 in words is "thirteen trillion, two hundred sixty-five billion, six hundred fifty-three million, five hundred sixty thousand, one hundred fifty-six".