50111655661161 has 24 divisors (see below), whose sum is σ = 72527800310784. Its totient is φ = 33341209545600.

The previous prime is 50111655661157. The next prime is 50111655661321. The reversal of 50111655661161 is 16116655611105.

50111655661161 is a `hidden beast` number, since 5 + 0 + 1 + 1 + 16 + 5 + 566 + 11 + 61 = 666.

It is not a de Polignac number, because 50111655661161 - 2² = 50111655661157 is a prime.

It is a super-2 number, since 2×50111655661161² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50111655661121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14243136 + ... + 17409486.

It is an arithmetic number, because the mean of its divisors is an integer number (3021991679616).

Almost surely, 2^{50111655661161} is an apocalyptic number.

It is an amenable number.

50111655661161 is a deficient number, since it is larger than the sum of its proper divisors (22416144649623).

50111655661161 is a wasteful number, since it uses less digits than its factorization.

50111655661161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169861 (or 3169858 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 45.

The spelling of 50111655661161 in words is "fifty trillion, one hundred eleven billion, six hundred fifty-five million, six hundred sixty-one thousand, one hundred sixty-one".