11322631591 has 2 divisors, whose sum is σ = 11322631592. Its totient is φ = 11322631590.

The previous prime is 11322631547. The next prime is 11322631633. The reversal of 11322631591 is 19513622311.

11322631591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11322631591 - 2⁹ = 11322631079 is a prime.

It is a super-2 number, since 2×11322631591² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11322631391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661315795 + 5661315796.

It is an arithmetic number, because the mean of its divisors is an integer number (5661315796).

Almost surely, 2^11322631591 is an apocalyptic number.

11322631591 is a deficient number, since it is larger than the sum of its proper divisors (1).

11322631591 is an equidigital number, since it uses as much as digits as its factorization.

11322631591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 34.

The spelling of 11322631591 in words is "eleven billion, three hundred twenty-two million, six hundred thirty-one thousand, five hundred ninety-one".