108561932501831 has 8 divisors (see below), whose sum is σ = 114276045569280. Its totient is φ = 102847852149048.

The previous prime is 108561932501779. The next prime is 108561932501861. The reversal of 108561932501831 is 138105239165801.

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

It is a cyclic number.

It is not a de Polignac number, because 108561932501831 - 2³⁰ = 108560858760007 is a prime.

It is a super-2 number, since 2×108561932501831² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108561932501861) 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 7 ways as a sum of consecutive naturals, for example, 1215071 + ... + 14785136.

It is an arithmetic number, because the mean of its divisors is an integer number (14284505696160).

Almost surely, 2^{108561932501831} is an apocalyptic number.

108561932501831 is a deficient number, since it is larger than the sum of its proper divisors (5714113067449).

108561932501831 is a wasteful number, since it uses less digits than its factorization.

108561932501831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16357333.

The product of its (nonzero) digits is 1555200, while the sum is 53.

The spelling of 108561932501831 in words is "one hundred eight trillion, five hundred sixty-one billion, nine hundred thirty-two million, five hundred one thousand, eight hundred thirty-one".