118664830015 has 4 divisors (see below), whose sum is σ = 142397796024. Its totient is φ = 94931864008.

The previous prime is 118664830013. The next prime is 118664830069. The reversal of 118664830015 is 510038466811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 510038466811 = 37337 ⋅13660403.

It is a cyclic number.

It is not a de Polignac number, because 118664830015 - 2¹ = 118664830013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118664830013) 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, 11866482997 + ... + 11866483006.

It is an arithmetic number, because the mean of its divisors is an integer number (35599449006).

Almost surely, 2^118664830015 is an apocalyptic number.

118664830015 is a deficient number, since it is larger than the sum of its proper divisors (23732966009).

118664830015 is an equidigital number, since it uses as much as digits as its factorization.

118664830015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23732966008.

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 118664830015 in words is "one hundred eighteen billion, six hundred sixty-four million, eight hundred thirty thousand, fifteen".