11976667811 has 2 divisors, whose sum is σ = 11976667812. Its totient is φ = 11976667810.

The previous prime is 11976667733. The next prime is 11976667903. The reversal of 11976667811 is 11876667911.

It is a weak prime.

It is an emirp because it is prime and its reverse (11876667911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11976667811 - 2²² = 11972473507 is a prime.

It is not a weakly prime, because it can be changed into another prime (11976667411) 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, 5988333905 + 5988333906.

It is an arithmetic number, because the mean of its divisors is an integer number (5988333906).

Almost surely, 2^11976667811 is an apocalyptic number.

11976667811 is a deficient number, since it is larger than the sum of its proper divisors (1).

11976667811 is an equidigital number, since it uses as much as digits as its factorization.

11976667811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 53.

The spelling of 11976667811 in words is "eleven billion, nine hundred seventy-six million, six hundred sixty-seven thousand, eight hundred eleven".