11751440574791 has 2 divisors, whose sum is σ = 11751440574792. Its totient is φ = 11751440574790.

The previous prime is 11751440574779. The next prime is 11751440574793. The reversal of 11751440574791 is 19747504415711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11751440574791 is a prime.

Together with 11751440574793, 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 (11751440574793) 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, 5875720287395 + 5875720287396.

It is an arithmetic number, because the mean of its divisors is an integer number (5875720287396).

Almost surely, 2^{11751440574791} is an apocalyptic number.

11751440574791 is a deficient number, since it is larger than the sum of its proper divisors (1).

11751440574791 is an equidigital number, since it uses as much as digits as its factorization.

11751440574791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4939200, while the sum is 56.

The spelling of 11751440574791 in words is "eleven trillion, seven hundred fifty-one billion, four hundred forty million, five hundred seventy-four thousand, seven hundred ninety-one".