13531155125 has 32 divisors (see below), whose sum is σ = 17452191744. Its totient is φ = 10463376000.

The previous prime is 13531155109. The next prime is 13531155163. The reversal of 13531155125 is 52155113531.

It is not a de Polignac number, because 13531155125 - 2⁴ = 13531155109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13531155091 and 13531155100.

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, 4621412 + ... + 4624338.

It is an arithmetic number, because the mean of its divisors is an integer number (545380992).

Almost surely, 2^13531155125 is an apocalyptic number.

It is an amenable number.

13531155125 is a deficient number, since it is larger than the sum of its proper divisors (3921036619).

13531155125 is a wasteful number, since it uses less digits than its factorization.

13531155125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166 (or 4156 counting only the distinct ones).

The product of its digits is 11250, while the sum is 32.

Adding to 13531155125 its reverse (52155113531), we get a palindrome (65686268656).

The spelling of 13531155125 in words is "thirteen billion, five hundred thirty-one million, one hundred fifty-five thousand, one hundred twenty-five".