11489089 has 2 divisors, whose sum is σ = 11489090. Its totient is φ = 11489088.

The previous prime is 11489087. The next prime is 11489113. The reversal of 11489089 is 98098411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5919489 + 5569600 = 2433^2 + 2360^2 .

It is a cyclic number.

It is not a de Polignac number, because 11489089 - 2¹ = 11489087 is a prime.

Together with 11489087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11489081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5744544 + 5744545.

It is an arithmetic number, because the mean of its divisors is an integer number (5744545).

Almost surely, 2^11489089 is an apocalyptic number.

It is an amenable number.

11489089 is a deficient number, since it is larger than the sum of its proper divisors (1).

11489089 is an equidigital number, since it uses as much as digits as its factorization.

11489089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 11489089 is about 3389.5558706120. Note that the first 3 decimals coincide. The cubic root of 11489089 is about 225.6464634549.

The spelling of 11489089 in words is "eleven million, four hundred eighty-nine thousand, eighty-nine".