108956083809589 has 4 divisors (see below), whose sum is σ = 109038688878240. Its totient is φ = 108873478740940.

The previous prime is 108956083809581. The next prime is 108956083809649. The reversal of 108956083809589 is 985908380659801.

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 108956083809589 - 2³ = 108956083809581 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 (108956083809581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41302532347 + ... + 41302534984.

It is an arithmetic number, because the mean of its divisors is an integer number (27259672219560).

Almost surely, 2^{108956083809589} is an apocalyptic number.

It is an amenable number.

108956083809589 is a deficient number, since it is larger than the sum of its proper divisors (82605068651).

108956083809589 is an equidigital number, since it uses as much as digits as its factorization.

108956083809589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82605068650.

The product of its (nonzero) digits is 1343692800, while the sum is 79.

The spelling of 108956083809589 in words is "one hundred eight trillion, nine hundred fifty-six billion, eighty-three million, eight hundred nine thousand, five hundred eighty-nine".