11144513 has 2 divisors, whose sum is σ = 11144514. Its totient is φ = 11144512.

The previous prime is 11144509. The next prime is 11144521. The reversal of 11144513 is 31544111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10452289 + 692224 = 3233^2 + 832^2 .

It is a cyclic number.

It is not a de Polignac number, because 11144513 - 2² = 11144509 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11144533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5572256 + 5572257.

It is an arithmetic number, because the mean of its divisors is an integer number (5572257).

Almost surely, 2^11144513 is an apocalyptic number.

It is an amenable number.

11144513 is a deficient number, since it is larger than the sum of its proper divisors (1).

11144513 is an equidigital number, since it uses as much as digits as its factorization.

11144513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 20.

The square root of 11144513 is about 3338.3398568750. The cubic root of 11144513 is about 223.3676962546.

Adding to 11144513 its reverse (31544111), we get a palindrome (42688624).

The spelling of 11144513 in words is "eleven million, one hundred forty-four thousand, five hundred thirteen".