12871806411 has 32 divisors (see below), whose sum is σ = 19045974528. Its totient is φ = 7691087360.

The previous prime is 12871806379. The next prime is 12871806413. The reversal of 12871806411 is 11460817821.

It is a cyclic number.

It is not a de Polignac number, because 12871806411 - 2⁵ = 12871806379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12871806411.

It is not an unprimeable number, because it can be changed into a prime (12871806413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242101 + ... + 290441.

It is an arithmetic number, because the mean of its divisors is an integer number (595186704).

Almost surely, 2^12871806411 is an apocalyptic number.

12871806411 is a deficient number, since it is larger than the sum of its proper divisors (6174168117).

12871806411 is a wasteful number, since it uses less digits than its factorization.

12871806411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48611.

The product of its (nonzero) digits is 21504, while the sum is 39.

The spelling of 12871806411 in words is "twelve billion, eight hundred seventy-one million, eight hundred six thousand, four hundred eleven".