13131525314525 has 12 divisors (see below), whose sum is σ = 16285556116032. Its totient is φ = 10503630105840.

The previous prime is 13131525314483. The next prime is 13131525314561. The reversal of 13131525314525 is 52541352513131.

It is not a de Polignac number, because 13131525314525 - 2¹⁸ = 13131525052381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39585167 + ... + 39915516.

It is an arithmetic number, because the mean of its divisors is an integer number (1357129676336).

Almost surely, 2^{13131525314525} is an apocalyptic number.

It is an amenable number.

13131525314525 is a deficient number, since it is larger than the sum of its proper divisors (3154030801507).

13131525314525 is an equidigital number, since it uses as much as digits as its factorization.

13131525314525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79507300 (or 79507295 counting only the distinct ones).

The product of its digits is 270000, while the sum is 41.

Adding to 13131525314525 its reverse (52541352513131), we get a palindrome (65672877827656).

The spelling of 13131525314525 in words is "thirteen trillion, one hundred thirty-one billion, five hundred twenty-five million, three hundred fourteen thousand, five hundred twenty-five".