11082008209 has 2 divisors, whose sum is σ = 11082008210. Its totient is φ = 11082008208.

The previous prime is 11082008207. The next prime is 11082008219. The reversal of 11082008209 is 90280028011.

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., 10924430400 + 157577809 = 104520^2 + 12553^2 .

It is a cyclic number.

It is not a de Polignac number, because 11082008209 - 2¹ = 11082008207 is a prime.

Together with 11082008207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11082008207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5541004104 + 5541004105.

It is an arithmetic number, because the mean of its divisors is an integer number (5541004105).

Almost surely, 2^11082008209 is an apocalyptic number.

It is an amenable number.

11082008209 is a deficient number, since it is larger than the sum of its proper divisors (1).

11082008209 is an equidigital number, since it uses as much as digits as its factorization.

11082008209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 31.

The spelling of 11082008209 in words is "eleven billion, eighty-two million, eight thousand, two hundred nine".