118618579329 has 4 divisors (see below), whose sum is σ = 158158105776. Its totient is φ = 79079052884.

The previous prime is 118618579309. The next prime is 118618579349. The reversal of 118618579329 is 923975816811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (118618579309) and next prime (118618579349).

It is a cyclic number.

It is not a de Polignac number, because 118618579329 - 2⁸ = 118618579073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118618579309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19769763219 + ... + 19769763224.

It is an arithmetic number, because the mean of its divisors is an integer number (39539526444).

Almost surely, 2^118618579329 is an apocalyptic number.

It is an amenable number.

118618579329 is a deficient number, since it is larger than the sum of its proper divisors (39539526447).

118618579329 is an equidigital number, since it uses as much as digits as its factorization.

118618579329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39539526446.

The product of its digits is 6531840, while the sum is 60.

The spelling of 118618579329 in words is "one hundred eighteen billion, six hundred eighteen million, five hundred seventy-nine thousand, three hundred twenty-nine".