11895 has 16 divisors (see below), whose sum is σ = 20832. Its totient is φ = 5760.

The previous prime is 11887. The next prime is 11897. The reversal of 11895 is 59811.

It is not a de Polignac number, because 11895 - 2³ = 11887 is a prime.

It is a plaindrome in base 14.

It is a nialpdrome in base 13.

It is a zygodrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 11895.

It is not an unprimeable number, because it can be changed into a prime (11897) 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, 165 + ... + 225.

It is an arithmetic number, because the mean of its divisors is an integer number (1302).

2¹¹⁸⁹⁵ is an apocalyptic number.

11895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11895 is a deficient number, since it is larger than the sum of its proper divisors (8937).

11895 is a wasteful number, since it uses less digits than its factorization.

11895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82.

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

The square root of 11895 is about 109.0642012761. The cubic root of 11895 is about 22.8273141409.

The spelling of 11895 in words is "eleven thousand, eight hundred ninety-five".