50990011110 has 80 divisors (see below), whose sum is σ = 137277301392. Its totient is φ = 13580395200.

The previous prime is 50990011027. The next prime is 50990011129. The reversal of 50990011110 is 1111009905.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 618100 + ... + 695720.

Almost surely, 2^50990011110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50990011110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68638650696).

50990011110 is an abundant number, since it is smaller than the sum of its proper divisors (86287290282).

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

50990011110 is a wasteful number, since it uses less digits than its factorization.

50990011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78451 (or 78442 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 27.

The spelling of 50990011110 in words is "fifty billion, nine hundred ninety million, eleven thousand, one hundred ten".