8681955125 has 16 divisors (see below), whose sum is σ = 10843950000. Its totient is φ = 6939878400.

The previous prime is 8681955071. The next prime is 8681955211. The reversal of 8681955125 is 5215591868.

It is a happy number.

8681955125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4401393649 + 4280561476 = 66343^2 + 65426^2 .

It is not a de Polignac number, because 8681955125 - 2²² = 8677760821 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 128321 + ... + 183929.

It is an arithmetic number, because the mean of its divisors is an integer number (677746875).

Almost surely, 2^8681955125 is an apocalyptic number.

It is an amenable number.

8681955125 is a deficient number, since it is larger than the sum of its proper divisors (2161994875).

8681955125 is a wasteful number, since it uses less digits than its factorization.

8681955125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56873 (or 56863 counting only the distinct ones).

The product of its digits is 864000, while the sum is 50.

The square root of 8681955125 is about 93177.0096375710. The cubic root of 8681955125 is about 2055.2871749952.

The spelling of 8681955125 in words is "eight billion, six hundred eighty-one million, nine hundred fifty-five thousand, one hundred twenty-five".