11772640013 has 2 divisors, whose sum is σ = 11772640014. Its totient is φ = 11772640012.

The previous prime is 11772640007. The next prime is 11772640021. The reversal of 11772640013 is 31004627711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10883288329 + 889351684 = 104323^2 + 29822^2 .

It is a cyclic number.

It is not a de Polignac number, because 11772640013 - 2⁴ = 11772639997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11772640513) 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, 5886320006 + 5886320007.

It is an arithmetic number, because the mean of its divisors is an integer number (5886320007).

Almost surely, 2^11772640013 is an apocalyptic number.

It is an amenable number.

11772640013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11772640013 is an equidigital number, since it uses as much as digits as its factorization.

11772640013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The spelling of 11772640013 in words is "eleven billion, seven hundred seventy-two million, six hundred forty thousand, thirteen".