12550585156 has 12 divisors (see below), whose sum is σ = 22013106192. Its totient is φ = 6261126248.

The previous prime is 12550585063. The next prime is 12550585183. The reversal of 12550585156 is 65158505521.

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, 3539590 + ... + 3543133.

It is an arithmetic number, because the mean of its divisors is an integer number (1834425516).

Almost surely, 2^12550585156 is an apocalyptic number.

It is an amenable number.

12550585156 is a deficient number, since it is larger than the sum of its proper divisors (9462521036).

12550585156 is a wasteful number, since it uses less digits than its factorization.

12550585156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7083170 (or 7083168 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 43.

The spelling of 12550585156 in words is "twelve billion, five hundred fifty million, five hundred eighty-five thousand, one hundred fifty-six".