It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a nialpdrome in base 10.
It is a zygodrome in base 10.
It is a congruent number.
11000 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
211000 is an apocalyptic number.
11000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11000 is a wasteful number, since it uses less digits than its factorization.
11000 is an evil number, because the sum of its binary digits is even.
The square root of 11000 is about 104.8808848170. The cubic root of 11000 is about 22.2398009057.
Adding to 11000 its reverse (11), we get a palindrome (11011).
11000 divided by its reverse (11) gives a cube (1000 = 103).
The spelling of 11000 in words is "eleven thousand", and thus it is an iban number.