12888811156 has 48 divisors (see below), whose sum is σ = 25201491840. Its totient is φ = 5726770560.

The previous prime is 12888811151. The next prime is 12888811157. The reversal of 12888811156 is 65111888821.

It is a super-2 number, since 2×12888811156² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12888811151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510961 + ... + 535591.

It is an arithmetic number, because the mean of its divisors is an integer number (525031080).

Almost surely, 2^12888811156 is an apocalyptic number.

It is an amenable number.

12888811156 is a deficient number, since it is larger than the sum of its proper divisors (12312680684).

12888811156 is a wasteful number, since it uses less digits than its factorization.

12888811156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25024 (or 25022 counting only the distinct ones).

The product of its digits is 245760, while the sum is 49.

The spelling of 12888811156 in words is "twelve billion, eight hundred eighty-eight million, eight hundred eleven thousand, one hundred fifty-six".