13112587851 has 16 divisors (see below), whose sum is σ = 19085386368. Its totient is φ = 7941801600.

The previous prime is 13112587847. The next prime is 13112587867. The reversal of 13112587851 is 15878521131.

It is not a de Polignac number, because 13112587851 - 2² = 13112587847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13112587811) 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, 79246 + ... + 180291.

It is an arithmetic number, because the mean of its divisors is an integer number (1192836648).

Almost surely, 2^13112587851 is an apocalyptic number.

13112587851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13112587851 is a deficient number, since it is larger than the sum of its proper divisors (5972798517).

13112587851 is a wasteful number, since it uses less digits than its factorization.

13112587851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261082.

The product of its digits is 67200, while the sum is 42.

The spelling of 13112587851 in words is "thirteen billion, one hundred twelve million, five hundred eighty-seven thousand, eight hundred fifty-one".