118565015371 has 4 divisors (see below), whose sum is σ = 129343653144. Its totient is φ = 107786377600.

The previous prime is 118565015323. The next prime is 118565015399. The reversal of 118565015371 is 173510565811.

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

It is not a de Polignac number, because 118565015371 - 2⁹ = 118565014859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118565015771) 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, 5389318870 + ... + 5389318891.

It is an arithmetic number, because the mean of its divisors is an integer number (32335913286).

Almost surely, 2^118565015371 is an apocalyptic number.

118565015371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

118565015371 is a deficient number, since it is larger than the sum of its proper divisors (10778637773).

118565015371 is a wasteful number, since it uses less digits than its factorization.

118565015371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10778637772.

The product of its (nonzero) digits is 126000, while the sum is 43.

It can be divided in two parts, 1185650 and 15371, that added together give a palindrome (1201021).

The spelling of 118565015371 in words is "one hundred eighteen billion, five hundred sixty-five million, fifteen thousand, three hundred seventy-one".