12495556158 has 32 divisors (see below), whose sum is σ = 25708295040. Its totient is φ = 4046021280.

The previous prime is 12495556111. The next prime is 12495556211. The reversal of 12495556158 is 85165559421.

12495556158 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12495556158² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12495556158.

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, 91953 + ... + 182883.

It is an arithmetic number, because the mean of its divisors is an integer number (803384220).

Almost surely, 2^12495556158 is an apocalyptic number.

12495556158 is an abundant number, since it is smaller than the sum of its proper divisors (13212738882).

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

12495556158 is a wasteful number, since it uses less digits than its factorization.

12495556158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91592.

The product of its digits is 2160000, while the sum is 51.

The spelling of 12495556158 in words is "twelve billion, four hundred ninety-five million, five hundred fifty-six thousand, one hundred fifty-eight".