108585917525 has 12 divisors (see below), whose sum is σ = 135452809632. Its totient is φ = 86348558640.

The previous prime is 108585917509. The next prime is 108585917543. The reversal of 108585917525 is 525719585801.

It is not a de Polignac number, because 108585917525 - 2⁴ = 108585917509 is a prime.

It is a super-2 number, since 2×108585917525² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13000127 + ... + 13008476.

It is an arithmetic number, because the mean of its divisors is an integer number (11287734136).

Almost surely, 2^108585917525 is an apocalyptic number.

It is an amenable number.

108585917525 is a deficient number, since it is larger than the sum of its proper divisors (26866892107).

108585917525 is a wasteful number, since it uses less digits than its factorization.

108585917525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26008780 (or 26008775 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 56.

The spelling of 108585917525 in words is "one hundred eight billion, five hundred eighty-five million, nine hundred seventeen thousand, five hundred twenty-five".