12859901085 has 32 divisors (see below), whose sum is σ = 21293280000. Its totient is φ = 6619644416.

The previous prime is 12859901077. The next prime is 12859901129. The reversal of 12859901085 is 58010995821.

12859901085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12859901085 - 2³ = 12859901077 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 2019136 + ... + 2025494.

It is an arithmetic number, because the mean of its divisors is an integer number (665415000).

Almost surely, 2^12859901085 is an apocalyptic number.

12859901085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12859901085 is a deficient number, since it is larger than the sum of its proper divisors (8433378915).

12859901085 is a wasteful number, since it uses less digits than its factorization.

12859901085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11045.

The product of its (nonzero) digits is 259200, while the sum is 48.

The spelling of 12859901085 in words is "twelve billion, eight hundred fifty-nine million, nine hundred one thousand, eighty-five".