11111044313 has 2 divisors, whose sum is σ = 11111044314. Its totient is φ = 11111044312.

The previous prime is 11111044303. The next prime is 11111044363. The reversal of 11111044313 is 31344011111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9259635529 + 1851408784 = 96227^2 + 43028^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111044313 - 2⁸ = 11111044057 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111044303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555522156 + 5555522157.

It is an arithmetic number, because the mean of its divisors is an integer number (5555522157).

Almost surely, 2^11111044313 is an apocalyptic number.

It is an amenable number.

11111044313 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111044313 is an equidigital number, since it uses as much as digits as its factorization.

11111044313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11111044313 its reverse (31344011111), we get a palindrome (42455055424).

The spelling of 11111044313 in words is "eleven billion, one hundred eleven million, forty-four thousand, three hundred thirteen".