11089145 has 4 divisors (see below), whose sum is σ = 13306980. Its totient is φ = 8871312.

The previous prime is 11089139. The next prime is 11089153. The reversal of 11089145 is 54198011.

11089145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54198011 = 7 ⋅7742573.

It can be written as a sum of positive squares in 2 ways, for example, as 2155024 + 8934121 = 1468^2 + 2989^2 .

It is a cyclic number.

It is not a de Polignac number, because 11089145 - 2¹² = 11085049 is a prime.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1108910 + ... + 1108919.

It is an arithmetic number, because the mean of its divisors is an integer number (3326745).

Almost surely, 2^11089145 is an apocalyptic number.

It is an amenable number.

11089145 is a deficient number, since it is larger than the sum of its proper divisors (2217835).

11089145 is an equidigital number, since it uses as much as digits as its factorization.

11089145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217834.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 11089145 is about 3330.0367865836. The cubic root of 11089145 is about 222.9971712994.

The spelling of 11089145 in words is "eleven million, eighty-nine thousand, one hundred forty-five".