11289899 has 2 divisors, whose sum is σ = 11289900. Its totient is φ = 11289898.

The previous prime is 11289877. The next prime is 11289907. The reversal of 11289899 is 99898211.

11289899 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11289899 is a prime.

It is not a weakly prime, because it can be changed into another prime (11289809) 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, 5644949 + 5644950.

It is an arithmetic number, because the mean of its divisors is an integer number (5644950).

Almost surely, 2^11289899 is an apocalyptic number.

11289899 is a deficient number, since it is larger than the sum of its proper divisors (1).

11289899 is an equidigital number, since it uses as much as digits as its factorization.

11289899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 47.

The square root of 11289899 is about 3360.0444937530. The cubic root of 11289899 is about 224.3348189623.

The spelling of 11289899 in words is "eleven million, two hundred eighty-nine thousand, eight hundred ninety-nine".