12646676111 has 2 divisors, whose sum is σ = 12646676112. Its totient is φ = 12646676110.

The previous prime is 12646676093. The next prime is 12646676113. The reversal of 12646676111 is 11167664621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12646676111 - 2⁶ = 12646676047 is a prime.

Together with 12646676113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12646676113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6323338055 + 6323338056.

It is an arithmetic number, because the mean of its divisors is an integer number (6323338056).

Almost surely, 2^12646676111 is an apocalyptic number.

12646676111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12646676111 is an equidigital number, since it uses as much as digits as its factorization.

12646676111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The spelling of 12646676111 in words is "twelve billion, six hundred forty-six million, six hundred seventy-six thousand, one hundred eleven".