11113241 has 2 divisors, whose sum is σ = 11113242. Its totient is φ = 11113240.

The previous prime is 11113237. The next prime is 11113243. The reversal of 11113241 is 14231111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6869641 + 4243600 = 2621^2 + 2060^2 .

It is an emirp because it is prime and its reverse (14231111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11113241 - 2² = 11113237 is a prime.

It is a super-3 number, since 3×11113241³ (a number of 22 digits) contains 333 as substring.

Together with 11113243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11113243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556620 + 5556621.

It is an arithmetic number, because the mean of its divisors is an integer number (5556621).

Almost surely, 2^11113241 is an apocalyptic number.

It is an amenable number.

11113241 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113241 is an equidigital number, since it uses as much as digits as its factorization.

11113241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24, while the sum is 14.

The square root of 11113241 is about 3333.6528013577. The cubic root of 11113241 is about 223.1585739611.

Adding to 11113241 its sum of digits (14), we get a triangular number (11113255 = T₄₇₁₄).

Adding to 11113241 its reverse (14231111), we get a palindrome (25344352).

The spelling of 11113241 in words is "eleven million, one hundred thirteen thousand, two hundred forty-one".