11529 has 16 divisors (see below), whose sum is σ = 19840. Its totient is φ = 6480.

The previous prime is 11527. The next prime is 11549. The reversal of 11529 is 92511.

It is not a de Polignac number, because 11529 - 2¹ = 11527 is a prime.

It is a Duffinian number.

It is a Curzon number.

11529 is a lucky number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (11527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159 + ... + 219.

It is an arithmetic number, because the mean of its divisors is an integer number (1240).

2¹¹⁵²⁹ is an apocalyptic number.

It is an amenable number.

11529 is a deficient number, since it is larger than the sum of its proper divisors (8311).

11529 is an equidigital number, since it uses as much as digits as its factorization.

11529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 71 counting only the distinct ones).

The product of its digits is 90, while the sum is 18.

The square root of 11529 is about 107.3731810090. The cubic root of 11529 is about 22.5907446374.

Subtracting from 11529 its sum of digits (18), we obtain a palindrome (11511).

It can be divided in two parts, 115 and 29, that added together give a square (144 = 12²).

The spelling of 11529 in words is "eleven thousand, five hundred twenty-nine".