11066889 has 4 divisors (see below), whose sum is σ = 14755856. Its totient is φ = 7377924.

The previous prime is 11066857. The next prime is 11066897. The reversal of 11066889 is 98866011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98866011 = 3 ⋅32955337.

It is not a de Polignac number, because 11066889 - 2⁵ = 11066857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11066819) 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 in 3 ways as a sum of consecutive naturals, for example, 1844479 + ... + 1844484.

It is an arithmetic number, because the mean of its divisors is an integer number (3688964).

Almost surely, 2^11066889 is an apocalyptic number.

It is an amenable number.

11066889 is a deficient number, since it is larger than the sum of its proper divisors (3688967).

11066889 is an equidigital number, since it uses as much as digits as its factorization.

11066889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688966.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 11066889 is about 3326.6934033662. The cubic root of 11066889 is about 222.8478856984.

The spelling of 11066889 in words is "eleven million, sixty-six thousand, eight hundred eighty-nine".