51100070156 has 48 divisors (see below), whose sum is σ = 91742112000. Its totient is φ = 24896281920.

The previous prime is 51100070081. The next prime is 51100070167. The reversal of 51100070156 is 65107000115.

51100070156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51100070156² (a number of 22 digits) contains 22 as substring.

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, 38740865 + ... + 38742183.

It is an arithmetic number, because the mean of its divisors is an integer number (1911294000).

Almost surely, 2^51100070156 is an apocalyptic number.

It is an amenable number.

51100070156 is a deficient number, since it is larger than the sum of its proper divisors (40642041844).

51100070156 is a wasteful number, since it uses less digits than its factorization.

51100070156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702 (or 2700 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 26.

The spelling of 51100070156 in words is "fifty-one billion, one hundred million, seventy thousand, one hundred fifty-six".