13252320125 has 32 divisors (see below), whose sum is σ = 18137253888. Its totient is φ = 9587400000.

The previous prime is 13252320083. The next prime is 13252320149. The reversal of 13252320125 is 52102325231.

It is a happy number.

It is not a de Polignac number, because 13252320125 - 2⁶ = 13252320061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13252320094 and 13252320103.

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, 237395 + ... + 287855.

It is an arithmetic number, because the mean of its divisors is an integer number (566789184).

Almost surely, 2^13252320125 is an apocalyptic number.

It is an amenable number.

13252320125 is a deficient number, since it is larger than the sum of its proper divisors (4884933763).

13252320125 is a wasteful number, since it uses less digits than its factorization.

13252320125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50678 (or 50668 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 13252320125 its reverse (52102325231), we get a palindrome (65354645356).

The spelling of 13252320125 in words is "thirteen billion, two hundred fifty-two million, three hundred twenty thousand, one hundred twenty-five".