13318399185 has 96 divisors (see below), whose sum is σ = 26770205952. Its totient is φ = 5604318720.

The previous prime is 13318399153. The next prime is 13318399207. The reversal of 13318399185 is 58199381331.

13318399185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13318399185 - 2⁵ = 13318399153 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3791580 + ... + 3795090.

It is an arithmetic number, because the mean of its divisors is an integer number (278856312).

Almost surely, 2^13318399185 is an apocalyptic number.

13318399185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13318399185 is an abundant number, since it is smaller than the sum of its proper divisors (13451806767).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13318399185 is a wasteful number, since it uses less digits than its factorization.

13318399185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943 (or 3936 counting only the distinct ones).

The product of its digits is 699840, while the sum is 51.

The spelling of 13318399185 in words is "thirteen billion, three hundred eighteen million, three hundred ninety-nine thousand, one hundred eighty-five".