11089549 has 2 divisors, whose sum is σ = 11089550. Its totient is φ = 11089548.

The previous prime is 11089531. The next prime is 11089553. The reversal of 11089549 is 94598011.

11089549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7452900 + 3636649 = 2730^2 + 1907^2 .

It is a cyclic number.

It is not a de Polignac number, because 11089549 - 2⁵ = 11089517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11083549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5544774 + 5544775.

It is an arithmetic number, because the mean of its divisors is an integer number (5544775).

Almost surely, 2^11089549 is an apocalyptic number.

It is an amenable number.

11089549 is a deficient number, since it is larger than the sum of its proper divisors (1).

11089549 is an equidigital number, since it uses as much as digits as its factorization.

11089549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 11089549 is about 3330.0974460217. The cubic root of 11089549 is about 222.9998793460. Note that the first 3 decimals are identical.

The spelling of 11089549 in words is "eleven million, eighty-nine thousand, five hundred forty-nine".