11194889 has 2 divisors, whose sum is σ = 11194890. Its totient is φ = 11194888.

The previous prime is 11194871. The next prime is 11194949. The reversal of 11194889 is 98849111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9504889 + 1690000 = 3083^2 + 1300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11194889 is a prime.

It is not a weakly prime, because it can be changed into another prime (11194489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5597444 + 5597445.

It is an arithmetic number, because the mean of its divisors is an integer number (5597445).

Almost surely, 2^11194889 is an apocalyptic number.

It is an amenable number.

11194889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11194889 is an equidigital number, since it uses as much as digits as its factorization.

11194889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 41.

The square root of 11194889 is about 3345.8764173233. The cubic root of 11194889 is about 223.7037497905.

The spelling of 11194889 in words is "eleven million, one hundred ninety-four thousand, eight hundred eighty-nine".