11216489 has 4 divisors (see below), whose sum is σ = 11321424. Its totient is φ = 11111556.

The previous prime is 11216477. The next prime is 11216501. The reversal of 11216489 is 98461211.

11216489 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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.

It is an interprime number because it is at equal distance from previous prime (11216477) and next prime (11216501).

It is a cyclic number.

It is not a de Polignac number, because 11216489 - 2⁴ = 11216473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11216449) 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, 52307 + ... + 52520.

It is an arithmetic number, because the mean of its divisors is an integer number (2830356).

Almost surely, 2^11216489 is an apocalyptic number.

It is an amenable number.

11216489 is a deficient number, since it is larger than the sum of its proper divisors (104935).

11216489 is a wasteful number, since it uses less digits than its factorization.

11216489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104934.

The product of its digits is 3456, while the sum is 32.

The square root of 11216489 is about 3349.1027156539. The cubic root of 11216489 is about 223.8475325655.

The spelling of 11216489 in words is "eleven million, two hundred sixteen thousand, four hundred eighty-nine".