108107121685 has 8 divisors (see below), whose sum is σ = 129743918496. Its totient is φ = 86475449040.

The previous prime is 108107121659. The next prime is 108107121721. The reversal of 108107121685 is 586121701801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108107121685 - 2¹³ = 108107113493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1234471 + ... + 1319140.

It is an arithmetic number, because the mean of its divisors is an integer number (16217989812).

Almost surely, 2^108107121685 is an apocalyptic number.

It is an amenable number.

108107121685 is a deficient number, since it is larger than the sum of its proper divisors (21636796811).

108107121685 is an equidigital number, since it uses as much as digits as its factorization.

108107121685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562083.

The product of its (nonzero) digits is 26880, while the sum is 40.

The spelling of 108107121685 in words is "one hundred eight billion, one hundred seven million, one hundred twenty-one thousand, six hundred eighty-five".