11138589 has 24 divisors (see below), whose sum is σ = 20060352. Its totient is φ = 5785920.

The previous prime is 11138573. The next prime is 11138599. The reversal of 11138589 is 98583111.

It is not a de Polignac number, because 11138589 - 2⁴ = 11138573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11138599) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7344 + ... + 8729.

It is an arithmetic number, because the mean of its divisors is an integer number (835848).

Almost surely, 2^11138589 is an apocalyptic number.

It is an amenable number.

11138589 is a deficient number, since it is larger than the sum of its proper divisors (8921763).

11138589 is a wasteful number, since it uses less digits than its factorization.

11138589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16097 (or 16094 counting only the distinct ones).

The product of its digits is 8640, while the sum is 36.

The square root of 11138589 is about 3337.4524715717. The cubic root of 11138589 is about 223.3281113108.

The spelling of 11138589 in words is "eleven million, one hundred thirty-eight thousand, five hundred eighty-nine".