11831715568691 has 2 divisors, whose sum is σ = 11831715568692. Its totient is φ = 11831715568690.

The previous prime is 11831715568669. The next prime is 11831715568697. The reversal of 11831715568691 is 19686551713811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11831715568691 - 2¹⁰ = 11831715567667 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11831715568697) 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, 5915857784345 + 5915857784346.

It is an arithmetic number, because the mean of its divisors is an integer number (5915857784346).

Almost surely, 2^{11831715568691} is an apocalyptic number.

11831715568691 is a deficient number, since it is larger than the sum of its proper divisors (1).

11831715568691 is an equidigital number, since it uses as much as digits as its factorization.

11831715568691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10886400, while the sum is 62.

The spelling of 11831715568691 in words is "eleven trillion, eight hundred thirty-one billion, seven hundred fifteen million, five hundred sixty-eight thousand, six hundred ninety-one".