12566260211 has 2 divisors, whose sum is σ = 12566260212. Its totient is φ = 12566260210.

The previous prime is 12566260169. The next prime is 12566260247. The reversal of 12566260211 is 11206266521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12566260211 is a prime.

It is not a weakly prime, because it can be changed into another prime (12566290211) 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 as a sum of consecutive naturals, namely, 6283130105 + 6283130106.

It is an arithmetic number, because the mean of its divisors is an integer number (6283130106).

Almost surely, 2^12566260211 is an apocalyptic number.

12566260211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12566260211 is an equidigital number, since it uses as much as digits as its factorization.

12566260211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 12566260211 in words is "twelve billion, five hundred sixty-six million, two hundred sixty thousand, two hundred eleven".