52311535120 has 40 divisors (see below), whose sum is σ = 130980038616. Its totient is φ = 19315027968.

The previous prime is 52311535109. The next prime is 52311535139. The reversal of 52311535120 is 2153511325.

It can be written as a sum of positive squares in 4 ways, for example, as 11188562176 + 41122972944 = 105776^2 + 202788^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×52311535120² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25148737 + ... + 25150816.

Almost surely, 2^52311535120 is an apocalyptic number.

It is an amenable number.

52311535120 is an abundant number, since it is smaller than the sum of its proper divisors (78668503496).

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

52311535120 is a wasteful number, since it uses less digits than its factorization.

52311535120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50299579 (or 50299573 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 52311535120 in words is "fifty-two billion, three hundred eleven million, five hundred thirty-five thousand, one hundred twenty".