5156511556 has 12 divisors (see below), whose sum is σ = 10313023168. Its totient is φ = 2209933512.

The previous prime is 5156511551. The next prime is 5156511571. The reversal of 5156511556 is 6551156515.

5156511556 is an admirable number.

It is a super-2 number, since 2×5156511556² = 53179222854323082272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5156511551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92080536 + ... + 92080591.

Almost surely, 2^5156511556 is an apocalyptic number.

It is an amenable number.

5156511556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5156511556 is a wasteful number, since it uses less digits than its factorization.

5156511556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184161138 (or 184161136 counting only the distinct ones).

The product of its digits is 112500, while the sum is 40.

The square root of 5156511556 is about 71808.8543008451. The cubic root of 5156511556 is about 1727.6350185266.

The spelling of 5156511556 in words is "five billion, one hundred fifty-six million, five hundred eleven thousand, five hundred fifty-six".