118691377765 has 16 divisors (see below), whose sum is σ = 143161482240. Its totient is φ = 94466088000.

The previous prime is 118691377697. The next prime is 118691377769. The reversal of 118691377765 is 567773196811.

It is not a de Polignac number, because 118691377765 - 2¹⁵ = 118691344997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118691377769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1046716 + ... + 1154554.

It is an arithmetic number, because the mean of its divisors is an integer number (8947592640).

Almost surely, 2^118691377765 is an apocalyptic number.

It is an amenable number.

118691377765 is a deficient number, since it is larger than the sum of its proper divisors (24470104475).

118691377765 is a wasteful number, since it uses less digits than its factorization.

118691377765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108972.

The product of its digits is 13335840, while the sum is 61.

The spelling of 118691377765 in words is "one hundred eighteen billion, six hundred ninety-one million, three hundred seventy-seven thousand, seven hundred sixty-five".