11087589 has 16 divisors (see below), whose sum is σ = 15301440. Its totient is φ = 7136640.

The previous prime is 11087579. The next prime is 11087591. The reversal of 11087589 is 98578011.

It is not a de Polignac number, because 11087589 - 2⁸ = 11087333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11087509) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12994 + ... + 13820.

It is an arithmetic number, because the mean of its divisors is an integer number (956340).

Almost surely, 2^11087589 is an apocalyptic number.

It is an amenable number.

11087589 is a deficient number, since it is larger than the sum of its proper divisors (4213851).

11087589 is a wasteful number, since it uses less digits than its factorization.

11087589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980.

The product of its (nonzero) digits is 20160, while the sum is 39.

The square root of 11087589 is about 3329.8031473347. The cubic root of 11087589 is about 222.9867406837.

The spelling of 11087589 in words is "eleven million, eighty-seven thousand, five hundred eighty-nine".