12641265311 has 2 divisors, whose sum is σ = 12641265312. Its totient is φ = 12641265310.

The previous prime is 12641265257. The next prime is 12641265319. The reversal of 12641265311 is 11356214621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12641265311 - 2²⁶ = 12574156447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12641265319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6320632655 + 6320632656.

It is an arithmetic number, because the mean of its divisors is an integer number (6320632656).

Almost surely, 2^12641265311 is an apocalyptic number.

12641265311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12641265311 is an equidigital number, since it uses as much as digits as its factorization.

12641265311 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12641265311 its reverse (11356214621), we get a palindrome (23997479932).

The spelling of 12641265311 in words is "twelve billion, six hundred forty-one million, two hundred sixty-five thousand, three hundred eleven".