11390866013 has 2 divisors, whose sum is σ = 11390866014. Its totient is φ = 11390866012.

The previous prime is 11390865979. The next prime is 11390866027. The reversal of 11390866013 is 31066809311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11341824004 + 49042009 = 106498^2 + 7003^2 .

It is a cyclic number.

It is not a de Polignac number, because 11390866013 - 2⁸ = 11390865757 is a prime.

It is a super-2 number, since 2×11390866013² (a number of 21 digits) contains 22 as substring.

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 (11390862013) 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, 5695433006 + 5695433007.

It is an arithmetic number, because the mean of its divisors is an integer number (5695433007).

Almost surely, 2^11390866013 is an apocalyptic number.

It is an amenable number.

11390866013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11390866013 is an equidigital number, since it uses as much as digits as its factorization.

11390866013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 11390866013 in words is "eleven billion, three hundred ninety million, eight hundred sixty-six thousand, thirteen".