11391039713 has 2 divisors, whose sum is σ = 11391039714. Its totient is φ = 11391039712.

The previous prime is 11391039707. The next prime is 11391039727. The reversal of 11391039713 is 31793019311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11302453969 + 88585744 = 106313^2 + 9412^2 .

It is a cyclic number.

It is not a de Polignac number, because 11391039713 - 2¹⁰ = 11391038689 is a prime.

It is not a weakly prime, because it can be changed into another prime (11391039763) 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, 5695519856 + 5695519857.

It is an arithmetic number, because the mean of its divisors is an integer number (5695519857).

Almost surely, 2^11391039713 is an apocalyptic number.

It is an amenable number.

11391039713 is a deficient number, since it is larger than the sum of its proper divisors (1).

11391039713 is an equidigital number, since it uses as much as digits as its factorization.

11391039713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15309, while the sum is 38.

The spelling of 11391039713 in words is "eleven billion, three hundred ninety-one million, thirty-nine thousand, seven hundred thirteen".