11001120011009 has 2 divisors, whose sum is σ = 11001120011010. Its totient is φ = 11001120011008.

The previous prime is 11001120010987. The next prime is 11001120011047. The reversal of 11001120011009 is 90011002110011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10759075690609 + 242044320400 = 3280103^2 + 491980^2 .

It is an emirp because it is prime and its reverse (90011002110011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11001120011009 - 2²⁴ = 11001103233793 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11001120211009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500560005504 + 5500560005505.

It is an arithmetic number, because the mean of its divisors is an integer number (5500560005505).

Almost surely, 2^{11001120011009} is an apocalyptic number.

It is an amenable number.

11001120011009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001120011009 is an equidigital number, since it uses as much as digits as its factorization.

11001120011009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 11001120011009 in words is "eleven trillion, one billion, one hundred twenty million, eleven thousand, nine".