11097 has 10 divisors (see below), whose sum is σ = 16698.
Its totient is φ = 7344.
The previous prime is 11093. The next prime is 11113. The reversal of 11097 is 79011.
It can be written as a sum of positive squares in only one way, i.e., 9801 + 1296 = 99^2 + 36^2
It is not a de Polignac number, because 11097 - 22 = 11093 is a prime.
11097 is a lucky number.
It is a plaindrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11093) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13 + ... + 149.
211097 is an apocalyptic number.
It is an amenable number.
11097 is a deficient number, since it is larger than the sum of its proper divisors (5601).
11097 is an equidigital number, since it uses as much as digits as its factorization.
11097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149 (or 140 counting only the distinct ones).
The product of its (nonzero) digits is 63, while the sum is 18.
The square root of 11097 is about 105.3422991965.
The cubic root of 11097 is about 22.3049812248.
The spelling of 11097 in words is "eleven thousand, ninety-seven".