11211366013 has 2 divisors, whose sum is σ = 11211366014. Its totient is φ = 11211366012.

The previous prime is 11211365987. The next prime is 11211366053. The reversal of 11211366013 is 31066311211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10988699929 + 222666084 = 104827^2 + 14922^2 .

It is a cyclic number.

It is not a de Polignac number, because 11211366013 - 2⁵ = 11211365981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11211366053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605683006 + 5605683007.

It is an arithmetic number, because the mean of its divisors is an integer number (5605683007).

Almost surely, 2^11211366013 is an apocalyptic number.

It is an amenable number.

11211366013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211366013 is an equidigital number, since it uses as much as digits as its factorization.

11211366013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 11211366013 its reverse (31066311211), we get a palindrome (42277677224).

The spelling of 11211366013 in words is "eleven billion, two hundred eleven million, three hundred sixty-six thousand, thirteen".