12859653261 has 16 divisors (see below), whose sum is σ = 21103021184. Its totient is φ = 6783113664.

The previous prime is 12859653203. The next prime is 12859653269. The reversal of 12859653261 is 16235695821.

It is not a de Polignac number, because 12859653261 - 2⁹ = 12859652749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12859653261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12859653269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23552206 + ... + 23552751.

It is an arithmetic number, because the mean of its divisors is an integer number (1318938824).

Almost surely, 2^12859653261 is an apocalyptic number.

It is an amenable number.

12859653261 is a deficient number, since it is larger than the sum of its proper divisors (8243367923).

12859653261 is a wasteful number, since it uses less digits than its factorization.

12859653261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47104980.

The product of its digits is 777600, while the sum is 48.

The spelling of 12859653261 in words is "twelve billion, eight hundred fifty-nine million, six hundred fifty-three thousand, two hundred sixty-one".