50521315113 has 32 divisors (see below), whose sum is σ = 76995600000. Its totient is φ = 32716726848.

The previous prime is 50521315109. The next prime is 50521315127. The reversal of 50521315113 is 31151312505.

50521315113 is a `hidden beast` number, since 50 + 521 + 31 + 51 + 13 = 666.

50521315113 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 50521315113 - 2² = 50521315109 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (50521315813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 571138 + ... + 653636.

It is an arithmetic number, because the mean of its divisors is an integer number (2406112500).

Almost surely, 2^50521315113 is an apocalyptic number.

It is an amenable number.

50521315113 is a deficient number, since it is larger than the sum of its proper divisors (26474284887).

50521315113 is a wasteful number, since it uses less digits than its factorization.

50521315113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83158 (or 83152 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

Adding to 50521315113 its reverse (31151312505), we get a palindrome (81672627618).

The spelling of 50521315113 in words is "fifty billion, five hundred twenty-one million, three hundred fifteen thousand, one hundred thirteen".