11057289 has 4 divisors (see below), whose sum is σ = 14743056. Its totient is φ = 7371524.

The previous prime is 11057281. The next prime is 11057357. The reversal of 11057289 is 98275011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11057289 - 2³ = 11057281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11057281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1842879 + ... + 1842884.

It is an arithmetic number, because the mean of its divisors is an integer number (3685764).

Almost surely, 2^11057289 is an apocalyptic number.

It is an amenable number.

11057289 is a deficient number, since it is larger than the sum of its proper divisors (3685767).

11057289 is an equidigital number, since it uses as much as digits as its factorization.

11057289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685766.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 11057289 is about 3325.2502161492. The cubic root of 11057289 is about 222.7834304092.

The spelling of 11057289 in words is "eleven million, fifty-seven thousand, two hundred eighty-nine".