13158234856 has 16 divisors (see below), whose sum is σ = 26569512900. Its totient is φ = 6073031424.

The previous prime is 13158234847. The next prime is 13158234883. The reversal of 13158234856 is 65843285131.

It can be written as a sum of positive squares in 2 ways, for example, as 12912685956 + 245548900 = 113634^2 + 15670^2 .

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, 63260641 + ... + 63260848.

Almost surely, 2^13158234856 is an apocalyptic number.

It is an amenable number.

13158234856 is an abundant number, since it is smaller than the sum of its proper divisors (13411278044).

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

13158234856 is a wasteful number, since it uses less digits than its factorization.

13158234856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126521508 (or 126521504 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

The spelling of 13158234856 in words is "thirteen billion, one hundred fifty-eight million, two hundred thirty-four thousand, eight hundred fifty-six".