11012857 has 4 divisors (see below), whose sum is σ = 11177296. Its totient is φ = 10848420.

The previous prime is 11012851. The next prime is 11012861. The reversal of 11012857 is 75821011.

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 11012857 - 2¹⁵ = 10980089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012851) 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 3 ways as a sum of consecutive naturals, for example, 82119 + ... + 82252.

It is an arithmetic number, because the mean of its divisors is an integer number (2794324).

Almost surely, 2^11012857 is an apocalyptic number.

It is an amenable number.

11012857 is a deficient number, since it is larger than the sum of its proper divisors (164439).

11012857 is an equidigital number, since it uses as much as digits as its factorization.

11012857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164438.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 11012857 is about 3318.5624899947. The cubic root of 11012857 is about 222.4846229326.

Adding to 11012857 its reverse (75821011), we get a palindrome (86833868).

The spelling of 11012857 in words is "eleven million, twelve thousand, eight hundred fifty-seven".