11344685213 has 2 divisors, whose sum is σ = 11344685214. Its totient is φ = 11344685212.

The previous prime is 11344685203. The next prime is 11344685221. The reversal of 11344685213 is 31258644311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7355120644 + 3989564569 = 85762^2 + 63163^2 .

It is a cyclic number.

It is not a de Polignac number, because 11344685213 - 2¹⁰ = 11344684189 is a prime.

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 (11344685203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5672342606 + 5672342607.

It is an arithmetic number, because the mean of its divisors is an integer number (5672342607).

Almost surely, 2^11344685213 is an apocalyptic number.

It is an amenable number.

11344685213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11344685213 is an equidigital number, since it uses as much as digits as its factorization.

11344685213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The spelling of 11344685213 in words is "eleven billion, three hundred forty-four million, six hundred eighty-five thousand, two hundred thirteen".