50512112155 has 12 divisors (see below), whose sum is σ = 64389836160. Its totient is φ = 38032648064.

The previous prime is 50512112153. The next prime is 50512112269. The reversal of 50512112155 is 55121121505.

It is not a de Polignac number, because 50512112155 - 2¹ = 50512112153 is a prime.

It is a super-4 number, since 4×50512112155⁴ (a number of 44 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (50512112153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17476795 + ... + 17479684.

It is an arithmetic number, because the mean of its divisors is an integer number (5365819680).

Almost surely, 2^50512112155 is an apocalyptic number.

50512112155 is a deficient number, since it is larger than the sum of its proper divisors (13877724005).

50512112155 is a wasteful number, since it uses less digits than its factorization.

50512112155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34956518 (or 34956501 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 28.

The spelling of 50512112155 in words is "fifty billion, five hundred twelve million, one hundred twelve thousand, one hundred fifty-five".