13117186025 has 6 divisors (see below), whose sum is σ = 16265310702. Its totient is φ = 10493748800.

The previous prime is 13117186003. The next prime is 13117186067. The reversal of 13117186025 is 52068171131.

It can be written as a sum of positive squares in 3 ways, for example, as 3103381264 + 10013804761 = 55708^2 + 100069^2 .

It is not a de Polignac number, because 13117186025 - 2¹⁸ = 13116923881 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262343696 + ... + 262343745.

It is an arithmetic number, because the mean of its divisors is an integer number (2710885117).

Almost surely, 2^13117186025 is an apocalyptic number.

It is an amenable number.

13117186025 is a deficient number, since it is larger than the sum of its proper divisors (3148124677).

13117186025 is an equidigital number, since it uses as much as digits as its factorization.

13117186025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524687451 (or 524687446 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 13117186025 in words is "thirteen billion, one hundred seventeen million, one hundred eighty-six thousand, twenty-five".