11859 has 8 divisors (see below), whose sum is σ = 16320. Its totient is φ = 7656.

The previous prime is 11839. The next prime is 11863. The reversal of 11859 is 95811.

11859 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11859 - 2⁵ = 11827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144 + ... + 210.

It is an arithmetic number, because the mean of its divisors is an integer number (2040).

2¹¹⁸⁵⁹ is an apocalyptic number.

11859 is a deficient number, since it is larger than the sum of its proper divisors (4461).

11859 is an equidigital number, since it uses as much as digits as its factorization.

11859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129.

The product of its digits is 360, while the sum is 24.

The square root of 11859 is about 108.8990358084. The cubic root of 11859 is about 22.8042620533.

It can be divided in two parts, 11 and 859, that multiplied together give a palindrome (9449).

The spelling of 11859 in words is "eleven thousand, eight hundred fifty-nine".