11112443 has 4 divisors (see below), whose sum is σ = 11132280. Its totient is φ = 11092608.

The previous prime is 11112433. The next prime is 11112449. The reversal of 11112443 is 34421111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11112443 - 2⁶ = 11112379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112449) 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, 9053 + ... + 10206.

It is an arithmetic number, because the mean of its divisors is an integer number (2783070).

Almost surely, 2^11112443 is an apocalyptic number.

11112443 is a deficient number, since it is larger than the sum of its proper divisors (19837).

11112443 is an equidigital number, since it uses as much as digits as its factorization.

11112443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19836.

The product of its digits is 96, while the sum is 17.

The square root of 11112443 is about 3333.5331106800. The cubic root of 11112443 is about 223.1532324409.

Adding to 11112443 its reverse (34421111), we get a palindrome (45533554).

The spelling of 11112443 in words is "eleven million, one hundred twelve thousand, four hundred forty-three".