50120638771 has 12 divisors (see below), whose sum is σ = 58329113688. Its totient is φ = 42941748192.

The previous prime is 50120638721. The next prime is 50120638787. The reversal of 50120638771 is 17783602105.

50120638771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50120638771 - 2³³ = 41530704179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50120638721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110101 + ... + 335206.

It is an arithmetic number, because the mean of its divisors is an integer number (4860759474).

Almost surely, 2^50120638771 is an apocalyptic number.

50120638771 is a deficient number, since it is larger than the sum of its proper divisors (8208474917).

50120638771 is a wasteful number, since it uses less digits than its factorization.

50120638771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447618 (or 447611 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 50120638771 in words is "fifty billion, one hundred twenty million, six hundred thirty-eight thousand, seven hundred seventy-one".