118640875837 has 32 divisors (see below), whose sum is σ = 142026301440. Its totient is φ = 97903080000.

The previous prime is 118640875763. The next prime is 118640875907. The reversal of 118640875837 is 738578046811.

It is a de Polignac number, because none of the positive numbers 2^k-118640875837 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 (118640875637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 563728 + ... + 745030.

It is an arithmetic number, because the mean of its divisors is an integer number (4438321920).

Almost surely, 2^118640875837 is an apocalyptic number.

It is an amenable number.

118640875837 is a deficient number, since it is larger than the sum of its proper divisors (23385425603).

118640875837 is a wasteful number, since it uses less digits than its factorization.

118640875837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181465.

The product of its (nonzero) digits is 9031680, while the sum is 58.

The spelling of 118640875837 in words is "one hundred eighteen billion, six hundred forty million, eight hundred seventy-five thousand, eight hundred thirty-seven".