11148289 has 2 divisors, whose sum is σ = 11148290. Its totient is φ = 11148288.

The previous prime is 11148287. The next prime is 11148301. The reversal of 11148289 is 98284111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8898289 + 2250000 = 2983^2 + 1500^2 .

It is a cyclic number.

It is not a de Polignac number, because 11148289 - 2¹ = 11148287 is a prime.

Together with 11148287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11148281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5574144 + 5574145.

It is an arithmetic number, because the mean of its divisors is an integer number (5574145).

Almost surely, 2^11148289 is an apocalyptic number.

It is an amenable number.

11148289 is a deficient number, since it is larger than the sum of its proper divisors (1).

11148289 is an equidigital number, since it uses as much as digits as its factorization.

11148289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 34.

The square root of 11148289 is about 3338.9053595453. The cubic root of 11148289 is about 223.3929206611.

It can be divided in two parts, 111 and 48289, that added together give a square (48400 = 220²).

The spelling of 11148289 in words is "eleven million, one hundred forty-eight thousand, two hundred eighty-nine".