13515131125 has 32 divisors (see below), whose sum is σ = 17517202560. Its totient is φ = 10402761600.

The previous prime is 13515131041. The next prime is 13515131183. The reversal of 13515131125 is 52113151531.

It is not a de Polignac number, because 13515131125 - 2⁹ = 13515130613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13515131093 and 13515131102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341361 + ... + 378889.

It is an arithmetic number, because the mean of its divisors is an integer number (547412580).

Almost surely, 2^13515131125 is an apocalyptic number.

It is an amenable number.

13515131125 is a deficient number, since it is larger than the sum of its proper divisors (4002071435).

13515131125 is an equidigital number, since it uses as much as digits as its factorization.

13515131125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37654 (or 37644 counting only the distinct ones).

The product of its digits is 2250, while the sum is 28.

Adding to 13515131125 its reverse (52113151531), we get a palindrome (65628282656).

The spelling of 13515131125 in words is "thirteen billion, five hundred fifteen million, one hundred thirty-one thousand, one hundred twenty-five".