50111113500 has 144 divisors (see below), whose sum is σ = 180667381440. Its totient is φ = 11453961600.

The previous prime is 50111113483. The next prime is 50111113567. The reversal of 50111113500 is 531111105.

50111113500 is a `hidden beast` number, since 50 + 1 + 1 + 1 + 113 + 500 = 666.

It is a super-2 number, since 2×50111113500² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 763915 + ... + 826914.

Almost surely, 2^50111113500 is an apocalyptic number.

50111113500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50111113500 is an abundant number, since it is smaller than the sum of its proper divisors (130556267940).

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

50111113500 is a wasteful number, since it uses less digits than its factorization.

50111113500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590861 (or 1590846 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 18.

Adding to 50111113500 its reverse (531111105), we get a palindrome (50642224605).

The spelling of 50111113500 in words is "fifty billion, one hundred eleven million, one hundred thirteen thousand, five hundred".