11320189 has 2 divisors, whose sum is σ = 11320190. Its totient is φ = 11320188.

The previous prime is 11320151. The next prime is 11320213. The reversal of 11320189 is 98102311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7868025 + 3452164 = 2805^2 + 1858^2 .

It is a cyclic number.

It is not a de Polignac number, because 11320189 - 2⁷ = 11320061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11320129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660094 + 5660095.

It is an arithmetic number, because the mean of its divisors is an integer number (5660095).

Almost surely, 2^11320189 is an apocalyptic number.

It is an amenable number.

11320189 is a deficient number, since it is larger than the sum of its proper divisors (1).

11320189 is an equidigital number, since it uses as much as digits as its factorization.

11320189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 11320189 is about 3364.5488553445. The cubic root of 11320189 is about 224.5352646227.

It can be divided in two parts, 113 and 20189, that added together give a palindrome (20302).

The spelling of 11320189 in words is "eleven million, three hundred twenty thousand, one hundred eighty-nine".