11072909 has 2 divisors, whose sum is σ = 11072910. Its totient is φ = 11072908.

The previous prime is 11072891. The next prime is 11072927. The reversal of 11072909 is 90927011.

It is a balanced prime because it is at equal distance from previous prime (11072891) and next prime (11072927).

It can be written as a sum of positive squares in only one way, i.e., 10176100 + 896809 = 3190^2 + 947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11072909 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11072939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5536454 + 5536455.

It is an arithmetic number, because the mean of its divisors is an integer number (5536455).

Almost surely, 2^11072909 is an apocalyptic number.

It is an amenable number.

11072909 is a deficient number, since it is larger than the sum of its proper divisors (1).

11072909 is an equidigital number, since it uses as much as digits as its factorization.

11072909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 11072909 is about 3327.5980827017. The cubic root of 11072909 is about 222.8882855221. Note that the first 3 decimals are identical.

The spelling of 11072909 in words is "eleven million, seventy-two thousand, nine hundred nine".