13122156155264 has 32 divisors (see below), whose sum is σ = 28152702812640. Its totient is φ = 6056379763200.

The previous prime is 13122156155249. The next prime is 13122156155279. The reversal of 13122156155264 is 46255165122131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13122156155249) and next prime (13122156155279).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3942953912 + ... + 3942957239.

It is an arithmetic number, because the mean of its divisors is an integer number (879771962895).

Almost surely, 2^{13122156155264} is an apocalyptic number.

It is an amenable number.

13122156155264 is an abundant number, since it is smaller than the sum of its proper divisors (15030546657376).

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

13122156155264 is an equidigital number, since it uses as much as digits as its factorization.

13122156155264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885911178 (or 7885911166 counting only the distinct ones).

The product of its digits is 432000, while the sum is 44.

The spelling of 13122156155264 in words is "thirteen trillion, one hundred twenty-two billion, one hundred fifty-six million, one hundred fifty-five thousand, two hundred sixty-four".