100686818705 has 16 divisors (see below), whose sum is σ = 131844642624. Its totient is φ = 73206530880.

The previous prime is 100686818681. The next prime is 100686818711. The reversal of 100686818705 is 507818686001.

It is a de Polignac number, because none of the positive numbers 2^k-100686818705 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50894 + ... + 451623.

It is an arithmetic number, because the mean of its divisors is an integer number (8240290164).

Almost surely, 2^100686818705 is an apocalyptic number.

It is an amenable number.

100686818705 is a deficient number, since it is larger than the sum of its proper divisors (31157823919).

100686818705 is a wasteful number, since it uses less digits than its factorization.

100686818705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506176.

The product of its (nonzero) digits is 645120, while the sum is 50.

The spelling of 100686818705 in words is "one hundred billion, six hundred eighty-six million, eight hundred eighteen thousand, seven hundred five".