11144449 has 2 divisors, whose sum is σ = 11144450. Its totient is φ = 11144448.

The previous prime is 11144447. The next prime is 11144453. The reversal of 11144449 is 94444111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6036849 + 5107600 = 2457^2 + 2260^2 .

It is an emirp because it is prime and its reverse (94444111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11144449 - 2¹ = 11144447 is a prime.

Together with 11144447, it forms a pair of twin primes.

It is equal to p₇₃₅₄₀₉ and since 11144449 and 735409 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (11144447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5572224 + 5572225.

It is an arithmetic number, because the mean of its divisors is an integer number (5572225).

Almost surely, 2^11144449 is an apocalyptic number.

It is an amenable number.

11144449 is a deficient number, since it is larger than the sum of its proper divisors (1).

11144449 is an equidigital number, since it uses as much as digits as its factorization.

11144449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 11144449 is about 3338.3302712584. The cubic root of 11144449 is about 223.3672686731.

The spelling of 11144449 in words is "eleven million, one hundred forty-four thousand, four hundred forty-nine".