11009399 has 2 divisors, whose sum is σ = 11009400. Its totient is φ = 11009398.

The previous prime is 11009377. The next prime is 11009407. The reversal of 11009399 is 99390011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11009399 - 2⁸ = 11009143 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 (11009359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5504699 + 5504700.

It is an arithmetic number, because the mean of its divisors is an integer number (5504700).

Almost surely, 2^11009399 is an apocalyptic number.

11009399 is a deficient number, since it is larger than the sum of its proper divisors (1).

11009399 is an equidigital number, since it uses as much as digits as its factorization.

11009399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187, while the sum is 32.

The square root of 11009399 is about 3318.0414403681. The cubic root of 11009399 is about 222.4613340208.

The spelling of 11009399 in words is "eleven million, nine thousand, three hundred ninety-nine".