12859894125 has 192 divisors, whose sum is σ = 26806590720. Its totient is φ = 6107270400.

The previous prime is 12859894111. The next prime is 12859894129. The reversal of 12859894125 is 52149895821.

12859894125 is a `hidden beast` number, since 1 + 2 + 8 + 598 + 9 + 41 + 2 + 5 = 666.

It is not a de Polignac number, because 12859894125 - 2¹¹ = 12859892077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12859894129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11450814 + ... + 11451936.

It is an arithmetic number, because the mean of its divisors is an integer number (139617660).

Almost surely, 2^12859894125 is an apocalyptic number.

12859894125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12859894125 is an abundant number, since it is smaller than the sum of its proper divisors (13946696595).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12859894125 is a wasteful number, since it uses less digits than its factorization.

12859894125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195 (or 1173 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 54.

The spelling of 12859894125 in words is "twelve billion, eight hundred fifty-nine million, eight hundred ninety-four thousand, one hundred twenty-five".