11182189 has 2 divisors, whose sum is σ = 11182190. Its totient is φ = 11182188.

The previous prime is 11182187. The next prime is 11182219. The reversal of 11182189 is 98128111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11168964 + 13225 = 3342^2 + 115^2 .

It is a cyclic number.

It is not a de Polignac number, because 11182189 - 2¹ = 11182187 is a prime.

Together with 11182187, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11182189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11182183) 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, 5591094 + 5591095.

It is an arithmetic number, because the mean of its divisors is an integer number (5591095).

Almost surely, 2^11182189 is an apocalyptic number.

It is an amenable number.

11182189 is a deficient number, since it is larger than the sum of its proper divisors (1).

11182189 is an equidigital number, since it uses as much as digits as its factorization.

11182189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 31.

The square root of 11182189 is about 3343.9780202627. The cubic root of 11182189 is about 223.6191244871.

The spelling of 11182189 in words is "eleven million, one hundred eighty-two thousand, one hundred eighty-nine".