11023257 has 16 divisors (see below), whose sum is σ = 16929792. Its totient is φ = 6249360.

The previous prime is 11023253. The next prime is 11023289. The reversal of 11023257 is 75232011.

It is not a de Polignac number, because 11023257 - 2² = 11023253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11023253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748 + ... + 4754.

It is an arithmetic number, because the mean of its divisors is an integer number (1058112).

Almost surely, 2^11023257 is an apocalyptic number.

It is an amenable number.

11023257 is a deficient number, since it is larger than the sum of its proper divisors (5906535).

11023257 is a wasteful number, since it uses less digits than its factorization.

11023257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 11023257 is about 3320.1290637564. The cubic root of 11023257 is about 222.5546354068.

Adding to 11023257 its reverse (75232011), we get a palindrome (86255268).

The spelling of 11023257 in words is "eleven million, twenty-three thousand, two hundred fifty-seven".