118306890131087 has 4 divisors (see below), whose sum is σ = 135207874435536. Its totient is φ = 101405905826640.

The previous prime is 118306890131011. The next prime is 118306890131113. The reversal of 118306890131087 is 780131098603811.

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 118306890131087 - 2¹⁰ = 118306890130063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118306890131387) 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, 8450492152214 + ... + 8450492152227.

It is an arithmetic number, because the mean of its divisors is an integer number (33801968608884).

Almost surely, 2^{118306890131087} is an apocalyptic number.

118306890131087 is a deficient number, since it is larger than the sum of its proper divisors (16900984304449).

118306890131087 is an equidigital number, since it uses as much as digits as its factorization.

118306890131087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16900984304448.

The product of its (nonzero) digits is 1741824, while the sum is 56.

The spelling of 118306890131087 in words is "one hundred eighteen trillion, three hundred six billion, eight hundred ninety million, one hundred thirty-one thousand, eighty-seven".