11144447 has 2 divisors, whose sum is σ = 11144448. Its totient is φ = 11144446.

The previous prime is 11144429. The next prime is 11144449. The reversal of 11144447 is 74444111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11144447 - 2⁶ = 11144383 is a prime.

Together with 11144449, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11144449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5572223 + 5572224.

It is an arithmetic number, because the mean of its divisors is an integer number (5572224).

Almost surely, 2^11144447 is an apocalyptic number.

11144447 is a deficient number, since it is larger than the sum of its proper divisors (1).

11144447 is an equidigital number, since it uses as much as digits as its factorization.

11144447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 26.

The square root of 11144447 is about 3338.3299717074. The cubic root of 11144447 is about 223.3672553112.

Adding to 11144447 its reverse (74444111), we get a palindrome (85588558).

The spelling of 11144447 in words is "eleven million, one hundred forty-four thousand, four hundred forty-seven".