108689817599 has 16 divisors (see below), whose sum is σ = 119175081216. Its totient is φ = 98306524800.

The previous prime is 108689817583. The next prime is 108689817631. The reversal of 108689817599 is 995718986801.

It is not a de Polignac number, because 108689817599 - 2⁴ = 108689817583 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 (108689817559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1742519 + ... + 1803815.

It is an arithmetic number, because the mean of its divisors is an integer number (7448442576).

Almost surely, 2^108689817599 is an apocalyptic number.

108689817599 is a deficient number, since it is larger than the sum of its proper divisors (10485263617).

108689817599 is a wasteful number, since it uses less digits than its factorization.

108689817599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62126.

The product of its (nonzero) digits is 78382080, while the sum is 71.

The spelling of 108689817599 in words is "one hundred eight billion, six hundred eighty-nine million, eight hundred seventeen thousand, five hundred ninety-nine".