11440320613 has 2 divisors, whose sum is σ = 11440320614. Its totient is φ = 11440320612.

The previous prime is 11440320611. The next prime is 11440320649. The reversal of 11440320613 is 31602304411.

11440320613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9361143009 + 2079177604 = 96753^2 + 45598^2 .

It is a cyclic number.

It is not a de Polignac number, because 11440320613 - 2¹ = 11440320611 is a prime.

Together with 11440320611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11440320611) 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, 5720160306 + 5720160307.

It is an arithmetic number, because the mean of its divisors is an integer number (5720160307).

Almost surely, 2^11440320613 is an apocalyptic number.

It is an amenable number.

11440320613 is a deficient number, since it is larger than the sum of its proper divisors (1).

11440320613 is an equidigital number, since it uses as much as digits as its factorization.

11440320613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 11440320613 in words is "eleven billion, four hundred forty million, three hundred twenty thousand, six hundred thirteen".