11311722413 has 2 divisors, whose sum is σ = 11311722414. Its totient is φ = 11311722412.

The previous prime is 11311722353. The next prime is 11311722421. The reversal of 11311722413 is 31422711311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10177177924 + 1134544489 = 100882^2 + 33683^2 .

It is a cyclic number.

It is not a de Polignac number, because 11311722413 - 2⁶ = 11311722349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11311722613) 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, 5655861206 + 5655861207.

It is an arithmetic number, because the mean of its divisors is an integer number (5655861207).

Almost surely, 2^11311722413 is an apocalyptic number.

It is an amenable number.

11311722413 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311722413 is an equidigital number, since it uses as much as digits as its factorization.

11311722413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The spelling of 11311722413 in words is "eleven billion, three hundred eleven million, seven hundred twenty-two thousand, four hundred thirteen".