11544289 has 2 divisors, whose sum is σ = 11544290. Its totient is φ = 11544288.

The previous prime is 11544283. The next prime is 11544331. The reversal of 11544289 is 98244511.

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., 11390625 + 153664 = 3375^2 + 392^2 .

It is a cyclic number.

It is not a de Polignac number, because 11544289 - 2⁵ = 11544257 is a prime.

It is not a weakly prime, because it can be changed into another prime (11544283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5772144 + 5772145.

It is an arithmetic number, because the mean of its divisors is an integer number (5772145).

Almost surely, 2^11544289 is an apocalyptic number.

It is an amenable number.

11544289 is a deficient number, since it is larger than the sum of its proper divisors (1).

11544289 is an equidigital number, since it uses as much as digits as its factorization.

11544289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 34.

The square root of 11544289 is about 3397.6887732693. The cubic root of 11544289 is about 226.0072634520.

The spelling of 11544289 in words is "eleven million, five hundred forty-four thousand, two hundred eighty-nine".