11089539 has 6 divisors (see below), whose sum is σ = 16018236. Its totient is φ = 7393020.

The previous prime is 11089531. The next prime is 11089549. The reversal of 11089539 is 93598011.

It is a happy number.

11089539 is a `hidden beast` number, since 110 + 8 + 9 + 539 = 666.

11089539 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 11089539 - 2³ = 11089531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11089531) 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 5 ways as a sum of consecutive naturals, for example, 616077 + ... + 616094.

It is an arithmetic number, because the mean of its divisors is an integer number (2669706).

Almost surely, 2^11089539 is an apocalyptic number.

11089539 is a deficient number, since it is larger than the sum of its proper divisors (4928697).

11089539 is a wasteful number, since it uses less digits than its factorization.

11089539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232177 (or 1232174 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 11089539 is about 3330.0959445638. The cubic root of 11089539 is about 222.9998123159. Note that the first 3 decimals are identical.

It can be divided in two parts, 11089 and 539, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 11089539 in words is "eleven million, eighty-nine thousand, five hundred thirty-nine".