52130131515 has 144 divisors (see below), whose sum is σ = 115317146880. Its totient is φ = 21541645440.

The previous prime is 52130131513. The next prime is 52130131541. The reversal of 52130131515 is 51513103125.

52130131515 is a `hidden beast` number, since 5 + 2 + 13 + 0 + 131 + 515 = 666.

52130131515 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 52130131515 - 2¹ = 52130131513 is a prime.

It is a super-2 number, since 2×52130131515² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52130131513) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4335642 + ... + 4347648.

It is an arithmetic number, because the mean of its divisors is an integer number (800813520).

Almost surely, 2^52130131515 is an apocalyptic number.

52130131515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52130131515 is an abundant number, since it is smaller than the sum of its proper divisors (63187015365).

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

52130131515 is a wasteful number, since it uses less digits than its factorization.

52130131515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222 (or 12212 counting only the distinct ones).

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

The spelling of 52130131515 in words is "fifty-two billion, one hundred thirty million, one hundred thirty-one thousand, five hundred fifteen".