11089569 has 4 divisors (see below), whose sum is σ = 14786096. Its totient is φ = 7393044.

The previous prime is 11089553. The next prime is 11089577. The reversal of 11089569 is 96598011.

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: 96598011 = 3 ⋅32199337.

It is not a de Polignac number, because 11089569 - 2⁴ = 11089553 is a prime.

It is a super-2 number, since 2×11089569² = 245957081211522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11089549) 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, 1848259 + ... + 1848264.

It is an arithmetic number, because the mean of its divisors is an integer number (3696524).

Almost surely, 2^11089569 is an apocalyptic number.

It is an amenable number.

11089569 is a deficient number, since it is larger than the sum of its proper divisors (3696527).

11089569 is an equidigital number, since it uses as much as digits as its factorization.

11089569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696526.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 11089569 is about 3330.1004489354. The cubic root of 11089569 is about 223.0000134060. Note that the first 4 decimals are identical.

The spelling of 11089569 in words is "eleven million, eighty-nine thousand, five hundred sixty-nine".