117138344399 has 24 divisors (see below), whose sum is σ = 131097939840. Its totient is φ = 104353951104.

The previous prime is 117138344371. The next prime is 117138344441. The reversal of 117138344399 is 993443831711.

It is not a de Polignac number, because 117138344399 - 2²⁰ = 117137295823 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 117138344399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117138344359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6706772 + ... + 6724214.

It is an arithmetic number, because the mean of its divisors is an integer number (5462414160).

Almost surely, 2^117138344399 is an apocalyptic number.

117138344399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

117138344399 is a deficient number, since it is larger than the sum of its proper divisors (13959595441).

117138344399 is a wasteful number, since it uses less digits than its factorization.

117138344399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18719 (or 18702 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 53.

The spelling of 117138344399 in words is "one hundred seventeen billion, one hundred thirty-eight million, three hundred forty-four thousand, three hundred ninety-nine".