12156253636364 has 6 divisors (see below), whose sum is σ = 21273443863644. Its totient is φ = 6078126818180.

The previous prime is 12156253636363. The next prime is 12156253636367. The reversal of 12156253636364 is 46363635265121.

It is a super-2 number, since 2×12156253636364² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12156253636363) by changing a digit.

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 as a sum of consecutive naturals, namely, 1519531704542 + ... + 1519531704549.

It is an arithmetic number, because the mean of its divisors is an integer number (3545573977274).

Almost surely, 2^{12156253636364} is an apocalyptic number.

It is an amenable number.

12156253636364 is a deficient number, since it is larger than the sum of its proper divisors (9117190227280).

12156253636364 is a wasteful number, since it uses less digits than its factorization.

12156253636364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039063409095 (or 3039063409093 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 53.

The spelling of 12156253636364 in words is "twelve trillion, one hundred fifty-six billion, two hundred fifty-three million, six hundred thirty-six thousand, three hundred sixty-four".