11782311767 has 2 divisors, whose sum is σ = 11782311768. Its totient is φ = 11782311766.

The previous prime is 11782311713. The next prime is 11782311769. The reversal of 11782311767 is 76711328711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11782311767 - 2²⁶ = 11715202903 is a prime.

Together with 11782311769, 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 (11782311769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5891155883 + 5891155884.

It is an arithmetic number, because the mean of its divisors is an integer number (5891155884).

Almost surely, 2^11782311767 is an apocalyptic number.

11782311767 is a deficient number, since it is larger than the sum of its proper divisors (1).

11782311767 is an equidigital number, since it uses as much as digits as its factorization.

11782311767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 44.

The spelling of 11782311767 in words is "eleven billion, seven hundred eighty-two million, three hundred eleven thousand, seven hundred sixty-seven".