11147009 has 2 divisors, whose sum is σ = 11147010. Its totient is φ = 11147008.

The previous prime is 11146997. The next prime is 11147021. The reversal of 11147009 is 90074111.

It is a balanced prime because it is at equal distance from previous prime (11146997) and next prime (11147021).

It can be written as a sum of positive squares in only one way, i.e., 11022400 + 124609 = 3320^2 + 353^2 .

It is a cyclic number.

It is not a de Polignac number, because 11147009 - 2⁸ = 11146753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11147029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5573504 + 5573505.

It is an arithmetic number, because the mean of its divisors is an integer number (5573505).

Almost surely, 2^11147009 is an apocalyptic number.

It is an amenable number.

11147009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11147009 is an equidigital number, since it uses as much as digits as its factorization.

11147009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 11147009 is about 3338.7136744561. The cubic root of 11147009 is about 223.3843706531.

The spelling of 11147009 in words is "eleven million, one hundred forty-seven thousand, nine".