11089189 has 2 divisors, whose sum is σ = 11089190. Its totient is φ = 11089188.

The previous prime is 11089187. The next prime is 11089193. The reversal of 11089189 is 98198011.

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., 11088900 + 289 = 3330^2 + 17^2 .

It is an emirp because it is prime and its reverse (98198011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11089189 - 2¹ = 11089187 is a prime.

It is a super-2 number, since 2×11089189² = 245940225355442, which contains 22 as substring.

Together with 11089187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11089181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5544594 + 5544595.

It is an arithmetic number, because the mean of its divisors is an integer number (5544595).

Almost surely, 2^11089189 is an apocalyptic number.

It is an amenable number.

11089189 is a deficient number, since it is larger than the sum of its proper divisors (1).

11089189 is an equidigital number, since it uses as much as digits as its factorization.

11089189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 37.

The square root of 11089189 is about 3330.0433931107. The cubic root of 11089189 is about 222.9974662384.

The spelling of 11089189 in words is "eleven million, eighty-nine thousand, one hundred eighty-nine".