11033012009 has 2 divisors, whose sum is σ = 11033012010. Its totient is φ = 11033012008.

The previous prime is 11033011991. The next prime is 11033012021. The reversal of 11033012009 is 90021033011.

11033012009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8561430784 + 2471581225 = 92528^2 + 49715^2 .

It is a cyclic number.

It is not a de Polignac number, because 11033012009 - 2²⁰ = 11031963433 is a prime.

It is not a weakly prime, because it can be changed into another prime (11033011009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5516506004 + 5516506005.

It is an arithmetic number, because the mean of its divisors is an integer number (5516506005).

Almost surely, 2^11033012009 is an apocalyptic number.

It is an amenable number.

11033012009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11033012009 is an equidigital number, since it uses as much as digits as its factorization.

11033012009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The spelling of 11033012009 in words is "eleven billion, thirty-three million, twelve thousand, nine".