11168257 has 6 divisors (see below), whose sum is σ = 11787378. Its totient is φ = 10580112.

The previous prime is 11168237. The next prime is 11168263. The reversal of 11168257 is 75286111.

It can be written as a sum of positive squares in only one way, i.e., 7485696 + 3682561 = 2736^2 + 1919^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11168257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11168237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15108 + ... + 15829.

It is an arithmetic number, because the mean of its divisors is an integer number (1964563).

Almost surely, 2^11168257 is an apocalyptic number.

It is an amenable number.

11168257 is a deficient number, since it is larger than the sum of its proper divisors (619121).

11168257 is an equidigital number, since it uses as much as digits as its factorization.

11168257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30975 (or 30956 counting only the distinct ones).

The product of its digits is 3360, while the sum is 31.

The square root of 11168257 is about 3341.8942233410. The cubic root of 11168257 is about 223.5262161308.

The spelling of 11168257 in words is "eleven million, one hundred sixty-eight thousand, two hundred fifty-seven".