118934271785 has 64 divisors (see below), whose sum is σ = 182197555200. Its totient is φ = 72650172672.

The previous prime is 118934271751. The next prime is 118934271791. The reversal of 118934271785 is 587172439811.

It is not a de Polignac number, because 118934271785 - 2³² = 114639304489 is a prime.

It is a super-2 number, since 2×118934271785² (a number of 23 digits) contains 22 as substring.

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 118934271785.

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 63 ways as a sum of consecutive naturals, for example, 836507 + ... + 968303.

It is an arithmetic number, because the mean of its divisors is an integer number (2846836800).

Almost surely, 2^118934271785 is an apocalyptic number.

It is an amenable number.

118934271785 is a deficient number, since it is larger than the sum of its proper divisors (63263283415).

118934271785 is a wasteful number, since it uses less digits than its factorization.

118934271785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131910.

The product of its digits is 3386880, while the sum is 56.

The spelling of 118934271785 in words is "one hundred eighteen billion, nine hundred thirty-four million, two hundred seventy-one thousand, seven hundred eighty-five".