13207508256325 has 6 divisors (see below), whose sum is σ = 16377310237874. Its totient is φ = 10566006605040.

The previous prime is 13207508256323. The next prime is 13207508256419. The reversal of 13207508256325 is 52365280570231.

It can be written as a sum of positive squares in 3 ways, for example, as 33200644 + 13207475055681 = 5762^2 + 3634209^2 .

It is not a de Polignac number, because 13207508256325 - 2¹ = 13207508256323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13207508256323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 264150165102 + ... + 264150165151.

Almost surely, 2^{13207508256325} is an apocalyptic number.

It is an amenable number.

13207508256325 is a deficient number, since it is larger than the sum of its proper divisors (3169801981549).

13207508256325 is an equidigital number, since it uses as much as digits as its factorization.

13207508256325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528300330263 (or 528300330258 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 13207508256325 in words is "thirteen trillion, two hundred seven billion, five hundred eight million, two hundred fifty-six thousand, three hundred twenty-five".