50009998311 has 48 divisors (see below), whose sum is σ = 88954092864. Its totient is φ = 26364828672.

The previous prime is 50009998309. The next prime is 50009998361. The reversal of 50009998311 is 11389990005.

50009998311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50009998311 - 2¹ = 50009998309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50009998361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1620255 + ... + 1650831.

It is an arithmetic number, because the mean of its divisors is an integer number (1853210268).

Almost surely, 2^50009998311 is an apocalyptic number.

50009998311 is a deficient number, since it is larger than the sum of its proper divisors (38944094553).

50009998311 is a wasteful number, since it uses less digits than its factorization.

50009998311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32600 (or 32597 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The spelling of 50009998311 in words is "fifty billion, nine million, nine hundred ninety-eight thousand, three hundred eleven".