118442785831 has 8 divisors (see below), whose sum is σ = 121008464640. Its totient is φ = 115879007928.

The previous prime is 118442785823. The next prime is 118442785927. The reversal of 118442785831 is 138587244811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118442785831 - 2³ = 118442785823 is a prime.

It is a super-2 number, since 2×118442785831² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118442785631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348901 + ... + 598846.

It is an arithmetic number, because the mean of its divisors is an integer number (15126058080).

Almost surely, 2^118442785831 is an apocalyptic number.

118442785831 is a deficient number, since it is larger than the sum of its proper divisors (2565678809).

118442785831 is an equidigital number, since it uses as much as digits as its factorization.

118442785831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950453.

The product of its digits is 1720320, while the sum is 52.

The spelling of 118442785831 in words is "one hundred eighteen billion, four hundred forty-two million, seven hundred eighty-five thousand, eight hundred thirty-one".