50111881120 has 96 divisors (see below), whose sum is σ = 141184850688. Its totient is φ = 16434198528.

The previous prime is 50111881117. The next prime is 50111881159. The reversal of 50111881120 is 2118811105.

It is a super-2 number, since 2×50111881120² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946909 + ... + 998428.

It is an arithmetic number, because the mean of its divisors is an integer number (1470675528).

Almost surely, 2^50111881120 is an apocalyptic number.

It is an amenable number.

50111881120 is an abundant number, since it is smaller than the sum of its proper divisors (91072969568).

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

50111881120 is a wasteful number, since it uses less digits than its factorization.

50111881120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945382 (or 1945374 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 28.

The spelling of 50111881120 in words is "fifty billion, one hundred eleven million, eight hundred eighty-one thousand, one hundred twenty".