11562 has 16 divisors (see below), whose sum is σ = 24192. Its totient is φ = 3680.

The previous prime is 11551. The next prime is 11579. The reversal of 11562 is 26511.

11562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 5 and base 11.

It is a zygodrome in base 5.

It is an unprimeable number.

11562 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223 + ... + 269.

It is an arithmetic number, because the mean of its divisors is an integer number (1512).

2¹¹⁵⁶² is an apocalyptic number.

11562 is an abundant number, since it is smaller than the sum of its proper divisors (12630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12096).

11562 is a wasteful number, since it uses less digits than its factorization.

11562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93.

The product of its digits is 60, while the sum is 15.

The square root of 11562 is about 107.5267408601. The cubic root of 11562 is about 22.6122782891.

The spelling of 11562 in words is "eleven thousand, five hundred sixty-two".