13531044125 has 16 divisors (see below), whose sum is σ = 16890052608. Its totient is φ = 10822714000.

The previous prime is 13531044113. The next prime is 13531044193. The reversal of 13531044125 is 52144013531.

It is not a de Polignac number, because 13531044125 - 2⁶ = 13531044061 is a prime.

It is a super-2 number, since 2×13531044125² (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1061540 + ... + 1074210.

It is an arithmetic number, because the mean of its divisors is an integer number (1055628288).

Almost surely, 2^13531044125 is an apocalyptic number.

It is an amenable number.

13531044125 is a deficient number, since it is larger than the sum of its proper divisors (3359008483).

13531044125 is an equidigital number, since it uses as much as digits as its factorization.

13531044125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21229 (or 21219 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 13531044125 its reverse (52144013531), we get a palindrome (65675057656).

The spelling of 13531044125 in words is "thirteen billion, five hundred thirty-one million, forty-four thousand, one hundred twenty-five".