11112489 has 6 divisors (see below), whose sum is σ = 16051386. Its totient is φ = 7408320.

The previous prime is 11112487. The next prime is 11112503. The reversal of 11112489 is 98421111.

It can be written as a sum of positive squares in only one way, i.e., 11108889 + 3600 = 3333^2 + 60^2 .

It is not a de Polignac number, because 11112489 - 2¹ = 11112487 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11112487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617352 + ... + 617369.

It is an arithmetic number, because the mean of its divisors is an integer number (2675231).

Almost surely, 2^11112489 is an apocalyptic number.

It is an amenable number.

11112489 is a deficient number, since it is larger than the sum of its proper divisors (4938897).

11112489 is a wasteful number, since it uses less digits than its factorization.

11112489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234727 (or 1234724 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 11112489 is about 3333.5400102594. The cubic root of 11112489 is about 223.1535403550.

It can be divided in two parts, 1111 and 2489, that added together give a square (3600 = 60²).

The spelling of 11112489 in words is "eleven million, one hundred twelve thousand, four hundred eighty-nine".