13112031235056 has 80 divisors (see below), whose sum is σ = 36493182203520. Its totient is φ = 4032829981440.

The previous prime is 13112031235049. The next prime is 13112031235063. The reversal of 13112031235056 is 65053213021131.

It is an interprime number because it is at equal distance from previous prime (13112031235049) and next prime (13112031235063).

It is a congruent number.

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, 2738230 + ... + 5807061.

It is an arithmetic number, because the mean of its divisors is an integer number (456164777544).

Almost surely, 2^{13112031235056} is an apocalyptic number.

13112031235056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13112031235056 is an abundant number, since it is smaller than the sum of its proper divisors (23381150968464).

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

13112031235056 is a wasteful number, since it uses less digits than its factorization.

13112031235056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8547774 (or 8547768 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

Adding to 13112031235056 its reverse (65053213021131), we get a palindrome (78165244256187).

The spelling of 13112031235056 in words is "thirteen trillion, one hundred twelve billion, thirty-one million, two hundred thirty-five thousand, fifty-six".