11412320209 has 2 divisors, whose sum is σ = 11412320210. Its totient is φ = 11412320208.

The previous prime is 11412320177. The next prime is 11412320243. The reversal of 11412320209 is 90202321411.

11412320209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6825238225 + 4587081984 = 82615^2 + 67728^2 .

It is a cyclic number.

It is not a de Polignac number, because 11412320209 - 2⁵ = 11412320177 is a prime.

It is not a weakly prime, because it can be changed into another prime (11412320299) 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, 5706160104 + 5706160105.

It is an arithmetic number, because the mean of its divisors is an integer number (5706160105).

Almost surely, 2^11412320209 is an apocalyptic number.

It is an amenable number.

11412320209 is a deficient number, since it is larger than the sum of its proper divisors (1).

11412320209 is an equidigital number, since it uses as much as digits as its factorization.

11412320209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 11412320209 in words is "eleven billion, four hundred twelve million, three hundred twenty thousand, two hundred nine".