11822297791 has 2 divisors, whose sum is σ = 11822297792. Its totient is φ = 11822297790.

The previous prime is 11822297741. The next prime is 11822297801. The reversal of 11822297791 is 19779222811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11822297791 - 2²³ = 11813909183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11822297701) 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, 5911148895 + 5911148896.

It is an arithmetic number, because the mean of its divisors is an integer number (5911148896).

Almost surely, 2^11822297791 is an apocalyptic number.

11822297791 is a deficient number, since it is larger than the sum of its proper divisors (1).

11822297791 is an equidigital number, since it uses as much as digits as its factorization.

11822297791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 49.

The spelling of 11822297791 in words is "eleven billion, eight hundred twenty-two million, two hundred ninety-seven thousand, seven hundred ninety-one".