11000257 has 4 divisors (see below), whose sum is σ = 11355136. Its totient is φ = 10645380.

The previous prime is 11000189. The next prime is 11000273. The reversal of 11000257 is 75200011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75200011 = 1187 ⋅63353.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11000257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11000257.

It is not an unprimeable number, because it can be changed into a prime (11000287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177393 + ... + 177454.

It is an arithmetic number, because the mean of its divisors is an integer number (2838784).

Almost surely, 2^11000257 is an apocalyptic number.

It is an amenable number.

11000257 is a deficient number, since it is larger than the sum of its proper divisors (354879).

11000257 is an equidigital number, since it uses as much as digits as its factorization.

11000257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354878.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 11000257 is about 3316.6635343369. The cubic root of 11000257 is about 222.3997410522.

Adding to 11000257 its reverse (75200011), we get a palindrome (86200268).

The spelling of 11000257 in words is "eleven million, two hundred fifty-seven", and thus it is an aban number.