108520333605687 has 16 divisors (see below), whose sum is σ = 146734607151360. Its totient is φ = 71326514683200.

The previous prime is 108520333605683. The next prime is 108520333605701. The reversal of 108520333605687 is 786506333025801.

It is a happy number.

It is not a de Polignac number, because 108520333605687 - 2² = 108520333605683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108520333605683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5886387 + ... + 15864747.

It is an arithmetic number, because the mean of its divisors is an integer number (9170912946960).

Almost surely, 2^{108520333605687} is an apocalyptic number.

108520333605687 is a deficient number, since it is larger than the sum of its proper divisors (38214273545673).

108520333605687 is an equidigital number, since it uses as much as digits as its factorization.

108520333605687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10029494.

The product of its (nonzero) digits is 21772800, while the sum is 57.

The spelling of 108520333605687 in words is "one hundred eight trillion, five hundred twenty billion, three hundred thirty-three million, six hundred five thousand, six hundred eighty-seven".