11942570791 has 2 divisors, whose sum is σ = 11942570792. Its totient is φ = 11942570790.

The previous prime is 11942570753. The next prime is 11942570803. The reversal of 11942570791 is 19707524911.

It is a strong prime.

It is an emirp because it is prime and its reverse (19707524911) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11942570791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11942570741) 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, 5971285395 + 5971285396.

It is an arithmetic number, because the mean of its divisors is an integer number (5971285396).

Almost surely, 2^11942570791 is an apocalyptic number.

11942570791 is a deficient number, since it is larger than the sum of its proper divisors (1).

11942570791 is an equidigital number, since it uses as much as digits as its factorization.

11942570791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 46.

The spelling of 11942570791 in words is "eleven billion, nine hundred forty-two million, five hundred seventy thousand, seven hundred ninety-one".