118320286579 has 4 divisors (see below), whose sum is σ = 129076676280. Its totient is φ = 107563896880.

The previous prime is 118320286577. The next prime is 118320286657. The reversal of 118320286579 is 975682023811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 118320286579 - 2¹ = 118320286577 is a prime.

It is a super-2 number, since 2×118320286579² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118320286577) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5378194834 + ... + 5378194855.

It is an arithmetic number, because the mean of its divisors is an integer number (32269169070).

Almost surely, 2^118320286579 is an apocalyptic number.

118320286579 is a deficient number, since it is larger than the sum of its proper divisors (10756389701).

118320286579 is a wasteful number, since it uses less digits than its factorization.

118320286579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10756389700.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 118320286579 in words is "one hundred eighteen billion, three hundred twenty million, two hundred eighty-six thousand, five hundred seventy-nine".