12641885411 has 2 divisors, whose sum is σ = 12641885412. Its totient is φ = 12641885410.

The previous prime is 12641885401. The next prime is 12641885413. The reversal of 12641885411 is 11458814621.

It is a strong prime.

It is an emirp because it is prime and its reverse (11458814621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12641885411 is a prime.

Together with 12641885413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12641885413) 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, 6320942705 + 6320942706.

It is an arithmetic number, because the mean of its divisors is an integer number (6320942706).

Almost surely, 2^12641885411 is an apocalyptic number.

12641885411 is a deficient number, since it is larger than the sum of its proper divisors (1).

12641885411 is an equidigital number, since it uses as much as digits as its factorization.

12641885411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61440, while the sum is 41.

The spelling of 12641885411 in words is "twelve billion, six hundred forty-one million, eight hundred eighty-five thousand, four hundred eleven".