118519814394 has 12 divisors (see below), whose sum is σ = 256792931226. Its totient is φ = 39506604792.

The previous prime is 118519814381. The next prime is 118519814459. The reversal of 118519814394 is 493418915811.

118519814394 is a `hidden beast` number, since 1 + 1 + 8 + 519 + 81 + 43 + 9 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 118477082025 + 42732369 = 344205^2 + 6537^2 .

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 118519814394.

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, 3292217049 + ... + 3292217084.

Almost surely, 2^118519814394 is an apocalyptic number.

118519814394 is an abundant number, since it is smaller than the sum of its proper divisors (138273116832).

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

118519814394 is a wasteful number, since it uses less digits than its factorization.

118519814394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6584434141 (or 6584434138 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 54.

The spelling of 118519814394 in words is "one hundred eighteen billion, five hundred nineteen million, eight hundred fourteen thousand, three hundred ninety-four".