118639055394 has 12 divisors (see below), whose sum is σ = 257051286726. Its totient is φ = 39546351792.

The previous prime is 118639055363. The next prime is 118639055441. The reversal of 118639055394 is 493550936811.

118639055394 is a `hidden beast` number, since 1 + 1 + 86 + 3 + 9 + 0 + 553 + 9 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 80068059369 + 38570996025 = 282963^2 + 196395^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 118639055394.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3295529299 + ... + 3295529334.

Almost surely, 2^118639055394 is an apocalyptic number.

118639055394 is an abundant number, since it is smaller than the sum of its proper divisors (138412231332).

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

118639055394 is a wasteful number, since it uses less digits than its factorization.

118639055394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6591058641 (or 6591058638 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 118639055394 in words is "one hundred eighteen billion, six hundred thirty-nine million, fifty-five thousand, three hundred ninety-four".