118420494011 has 4 divisors (see below), whose sum is σ = 121174459032. Its totient is φ = 115666528992.

The previous prime is 118420493929. The next prime is 118420494029. The reversal of 118420494011 is 110494024811.

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

It is a cyclic number.

It is not a de Polignac number, because 118420494011 - 2²² = 118416299707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118420493011) 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, 1376982446 + ... + 1376982531.

It is an arithmetic number, because the mean of its divisors is an integer number (30293614758).

Almost surely, 2^118420494011 is an apocalyptic number.

118420494011 is a deficient number, since it is larger than the sum of its proper divisors (2753965021).

118420494011 is an equidigital number, since it uses as much as digits as its factorization.

118420494011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753965020.

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 118420494011 in words is "one hundred eighteen billion, four hundred twenty million, four hundred ninety-four thousand, eleven".