50111100051 has 8 divisors (see below), whose sum is σ = 66816340224. Its totient is φ = 33406629960.

The previous prime is 50111100049. The next prime is 50111100059. The reversal of 50111100051 is 15000111105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50111100051 - 2¹ = 50111100049 is a prime.

It is a super-2 number, since 2×50111100051² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50111100051.

It is not an unprimeable number, because it can be changed into a prime (50111100059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18111 + ... + 317096.

It is an arithmetic number, because the mean of its divisors is an integer number (8352042528).

Almost surely, 2^50111100051 is an apocalyptic number.

50111100051 is a deficient number, since it is larger than the sum of its proper divisors (16705240173).

50111100051 is a wasteful number, since it uses less digits than its factorization.

50111100051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385041.

The product of its (nonzero) digits is 25, while the sum is 15.

Adding to 50111100051 its reverse (15000111105), we get a palindrome (65111211156).

The spelling of 50111100051 in words is "fifty billion, one hundred eleven million, one hundred thousand, fifty-one".