13318956875 has 80 divisors (see below), whose sum is σ = 19872388800. Its totient is φ = 8730624000.

The previous prime is 13318956853. The next prime is 13318956877. The reversal of 13318956875 is 57865981331.

It is not a de Polignac number, because 13318956875 - 2¹⁴ = 13318940491 is a prime.

It is a super-2 number, since 2×13318956875² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13318956875.

It is not an unprimeable number, because it can be changed into a prime (13318956877) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 14336411 + ... + 14337339.

It is an arithmetic number, because the mean of its divisors is an integer number (248404860).

Almost surely, 2^13318956875 is an apocalyptic number.

13318956875 is a deficient number, since it is larger than the sum of its proper divisors (6553431925).

13318956875 is an equidigital number, since it uses as much as digits as its factorization.

13318956875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1083 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 56.

The spelling of 13318956875 in words is "thirteen billion, three hundred eighteen million, nine hundred fifty-six thousand, eight hundred seventy-five".