50515515512 has 96 divisors (see below), whose sum is σ = 124341966000. Its totient is φ = 19002654720.

The previous prime is 50515515469. The next prime is 50515515553. The reversal of 50515515512 is 21551551505.

It is a super-3 number, since 3×50515515512³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76937 + ... + 327032.

Almost surely, 2^50515515512 is an apocalyptic number.

It is an amenable number.

50515515512 is an abundant number, since it is smaller than the sum of its proper divisors (73826450488).

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

50515515512 is a wasteful number, since it uses less digits than its factorization.

50515515512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404029 (or 404018 counting only the distinct ones).

The product of its (nonzero) digits is 31250, while the sum is 35.

The spelling of 50515515512 in words is "fifty billion, five hundred fifteen million, five hundred fifteen thousand, five hundred twelve".