11112589 has 4 divisors (see below), whose sum is σ = 11119680. Its totient is φ = 11105500.

The previous prime is 11112583. The next prime is 11112593. The reversal of 11112589 is 98521111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11112589 - 2³ = 11112581 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37 + ... + 4714.

It is an arithmetic number, because the mean of its divisors is an integer number (2779920).

Almost surely, 2^11112589 is an apocalyptic number.

It is an amenable number.

11112589 is a deficient number, since it is larger than the sum of its proper divisors (7091).

11112589 is an equidigital number, since it uses as much as digits as its factorization.

11112589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7090.

The product of its digits is 720, while the sum is 28.

The square root of 11112589 is about 3333.5550092956. Note that the first 3 decimals coincide. The cubic root of 11112589 is about 223.1542097306.

The spelling of 11112589 in words is "eleven million, one hundred twelve thousand, five hundred eighty-nine".