11691063795331 has 2 divisors, whose sum is σ = 11691063795332. Its totient is φ = 11691063795330.

The previous prime is 11691063795233. The next prime is 11691063795421. The reversal of 11691063795331 is 13359736019611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11691063795331 - 2¹⁵ = 11691063762563 is a prime.

It is a super-2 number, since 2×11691063795331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11691063790331) 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, 5845531897665 + 5845531897666.

It is an arithmetic number, because the mean of its divisors is an integer number (5845531897666).

Almost surely, 2^{11691063795331} is an apocalyptic number.

11691063795331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11691063795331 is an equidigital number, since it uses as much as digits as its factorization.

11691063795331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2755620, while the sum is 55.

The spelling of 11691063795331 in words is "eleven trillion, six hundred ninety-one billion, sixty-three million, seven hundred ninety-five thousand, three hundred thirty-one".