11311444349 has 2 divisors, whose sum is σ = 11311444350. Its totient is φ = 11311444348.

The previous prime is 11311444297. The next prime is 11311444427. The reversal of 11311444349 is 94344411311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11280564100 + 30880249 = 106210^2 + 5557^2 .

It is a cyclic number.

It is not a de Polignac number, because 11311444349 - 2²⁴ = 11294667133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11311443349) 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, 5655722174 + 5655722175.

It is an arithmetic number, because the mean of its divisors is an integer number (5655722175).

Almost surely, 2^11311444349 is an apocalyptic number.

It is an amenable number.

11311444349 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311444349 is an equidigital number, since it uses as much as digits as its factorization.

11311444349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The spelling of 11311444349 in words is "eleven billion, three hundred eleven million, four hundred forty-four thousand, three hundred forty-nine".