5911 has 4 divisors (see below), whose sum is σ = 6192.
Its totient is φ = 5632.
The previous prime is 5903. The next prime is 5923. The reversal of 5911 is 1195.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1195 = 5 ⋅239.
It is a cyclic number.
It is not a de Polignac number, because 5911 - 23 = 5903 is a prime.
It is a Duffinian number.
5911 is an undulating number in base 16.
5911 is a lucky number.
It is a plaindrome in base 14.
It is a nialpdrome in base 6.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5981) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106 + ... + 151.
It is an arithmetic number, because the mean of its divisors is an integer number (1548).
25911 is an apocalyptic number.
5911 is a deficient number, since it is larger than the sum of its proper divisors (281).
5911 is a wasteful number, since it uses less digits than its factorization.
5911 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 280.
The product of its digits is 45, while the sum is 16.
The square root of 5911 is about 76.8830280361.
The cubic root of 5911 is about 18.0809114715.
The spelling of 5911 in words is "five thousand, nine hundred eleven".