118317200785 has 32 divisors (see below), whose sum is σ = 166935105792. Its totient is φ = 78813035520.

The previous prime is 118317200779. The next prime is 118317200789. The reversal of 118317200785 is 587002713811.

It is not a de Polignac number, because 118317200785 - 2⁵ = 118317200753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118317200789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157422 + ... + 511288.

It is an arithmetic number, because the mean of its divisors is an integer number (5216722056).

Almost surely, 2^118317200785 is an apocalyptic number.

It is an amenable number.

118317200785 is a deficient number, since it is larger than the sum of its proper divisors (48617905007).

118317200785 is a wasteful number, since it uses less digits than its factorization.

118317200785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354153.

The product of its (nonzero) digits is 94080, while the sum is 43.

The spelling of 118317200785 in words is "one hundred eighteen billion, three hundred seventeen million, two hundred thousand, seven hundred eighty-five".