118185350399 has 4 divisors (see below), whose sum is σ = 118214702664. Its totient is φ = 118155998136.

The previous prime is 118185350377. The next prime is 118185350407. The reversal of 118185350399 is 993053581811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118185350399 - 2²⁸ = 117916914943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118185350399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118185350359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14670092 + ... + 14678145.

It is an arithmetic number, because the mean of its divisors is an integer number (29553675666).

Almost surely, 2^118185350399 is an apocalyptic number.

118185350399 is a deficient number, since it is larger than the sum of its proper divisors (29352265).

118185350399 is an equidigital number, since it uses as much as digits as its factorization.

118185350399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29352264.

The product of its (nonzero) digits is 1166400, while the sum is 53.

The spelling of 118185350399 in words is "one hundred eighteen billion, one hundred eighty-five million, three hundred fifty thousand, three hundred ninety-nine".