13117593818 has 32 divisors (see below), whose sum is σ = 23786493696. Its totient is φ = 5303726208.

The previous prime is 13117593793. The next prime is 13117593847. The reversal of 13117593818 is 81839571131.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255521 + ... + 302532.

It is an arithmetic number, because the mean of its divisors is an integer number (743327928).

Almost surely, 2^13117593818 is an apocalyptic number.

13117593818 is a deficient number, since it is larger than the sum of its proper divisors (10668899878).

13117593818 is a wasteful number, since it uses less digits than its factorization.

13117593818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558158.

The product of its digits is 181440, while the sum is 47.

The spelling of 13117593818 in words is "thirteen billion, one hundred seventeen million, five hundred ninety-three thousand, eight hundred eighteen".