11113243 has 2 divisors, whose sum is σ = 11113244. Its totient is φ = 11113242.

The previous prime is 11113241. The next prime is 11113253. The reversal of 11113243 is 34231111.

11113243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11113243 - 2¹ = 11113241 is a prime.

Together with 11113241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11113241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556621 + 5556622.

It is an arithmetic number, because the mean of its divisors is an integer number (5556622).

Almost surely, 2^11113243 is an apocalyptic number.

11113243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113243 is an equidigital number, since it uses as much as digits as its factorization.

11113243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 16.

The square root of 11113243 is about 3333.6531013289. The cubic root of 11113243 is about 223.1585873481.

Adding to 11113243 its reverse (34231111), we get a palindrome (45344354).

The spelling of 11113243 in words is "eleven million, one hundred thirteen thousand, two hundred forty-three".