11192189 has 2 divisors, whose sum is σ = 11192190. Its totient is φ = 11192188.

The previous prime is 11192143. The next prime is 11192243. The reversal of 11192189 is 98129111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8076964 + 3115225 = 2842^2 + 1765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11192189 is a prime.

It is a super-2 number, since 2×11192189² = 250530189223442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11192089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5596094 + 5596095.

It is an arithmetic number, because the mean of its divisors is an integer number (5596095).

Almost surely, 2^11192189 is an apocalyptic number.

It is an amenable number.

11192189 is a deficient number, since it is larger than the sum of its proper divisors (1).

11192189 is an equidigital number, since it uses as much as digits as its factorization.

11192189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 32.

The square root of 11192189 is about 3345.4729112638. The cubic root of 11192189 is about 223.6857639433.

The spelling of 11192189 in words is "eleven million, one hundred ninety-two thousand, one hundred eighty-nine".