50100505155 has 20 divisors (see below), whose sum is σ = 89809795152. Its totient is φ = 26720269200.

The previous prime is 50100505153. The next prime is 50100505157. The reversal of 50100505155 is 55150500105.

50100505155 is a `hidden beast` number, since 5 + 0 + 1 + 0 + 0 + 505 + 155 = 666.

It is an interprime number because it is at equal distance from previous prime (50100505153) and next prime (50100505157).

It is not a de Polignac number, because 50100505155 - 2¹ = 50100505153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (50100505153) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 61852071 + ... + 61852880.

Almost surely, 2^50100505155 is an apocalyptic number.

50100505155 is a deficient number, since it is larger than the sum of its proper divisors (39709289997).

50100505155 is a wasteful number, since it uses less digits than its factorization.

50100505155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123704968 (or 123704959 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The spelling of 50100505155 in words is "fifty billion, one hundred million, five hundred five thousand, one hundred fifty-five".