10911565995791 has 2 divisors, whose sum is σ = 10911565995792. Its totient is φ = 10911565995790.

The previous prime is 10911565995773. The next prime is 10911565995797. The reversal of 10911565995791 is 19759956511901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10911565995791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10911565995797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5455782997895 + 5455782997896.

It is an arithmetic number, because the mean of its divisors is an integer number (5455782997896).

Almost surely, 2^{10911565995791} is an apocalyptic number.

10911565995791 is a deficient number, since it is larger than the sum of its proper divisors (1).

10911565995791 is an equidigital number, since it uses as much as digits as its factorization.

10911565995791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34445250, while the sum is 68.

The spelling of 10911565995791 in words is "ten trillion, nine hundred eleven billion, five hundred sixty-five million, nine hundred ninety-five thousand, seven hundred ninety-one".