50111565061 has 16 divisors (see below), whose sum is σ = 51676099200. Its totient is φ = 48577838400.

The previous prime is 50111565041. The next prime is 50111565109. The reversal of 50111565061 is 16056511105.

50111565061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 50111565061 - 2²⁷ = 49977347333 is a prime.

It is a super-2 number, since 2×50111565061² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50111565041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989095 + ... + 1038523.

It is an arithmetic number, because the mean of its divisors is an integer number (3229756200).

Almost surely, 2^50111565061 is an apocalyptic number.

It is an amenable number.

50111565061 is a deficient number, since it is larger than the sum of its proper divisors (1564534139).

50111565061 is a wasteful number, since it uses less digits than its factorization.

50111565061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49740.

The product of its (nonzero) digits is 4500, while the sum is 31.

It can be divided in two parts, 50 and 111565061, that added together give a palindrome (111565111).

The spelling of 50111565061 in words is "fifty billion, one hundred eleven million, five hundred sixty-five thousand, sixty-one".