108146811689 has 4 divisors (see below), whose sum is σ = 123596356224. Its totient is φ = 92697267156.

The previous prime is 108146811679. The next prime is 108146811697. The reversal of 108146811689 is 986118641801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 108146811689 - 2⁸ = 108146811433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108146811689.

It is not an unprimeable number, because it can be changed into a prime (108146811679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7724772257 + ... + 7724772270.

It is an arithmetic number, because the mean of its divisors is an integer number (30899089056).

Almost surely, 2^108146811689 is an apocalyptic number.

It is an amenable number.

108146811689 is a deficient number, since it is larger than the sum of its proper divisors (15449544535).

108146811689 is an equidigital number, since it uses as much as digits as its factorization.

108146811689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15449544534.

The product of its (nonzero) digits is 663552, while the sum is 53.

The spelling of 108146811689 in words is "one hundred eight billion, one hundred forty-six million, eight hundred eleven thousand, six hundred eighty-nine".