4111 has 2 divisors, whose sum is σ = 4112.
Its totient is φ = 4110.
The previous prime is 4099. The next prime is 4127. The reversal of 4111 is 1114.
Adding to 4111 its reverse (1114), we get a palindrome (5225).
It can be divided in two parts, 4 and 111, that multiplied together give a palindrome (444).
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 4111 - 25 = 4079 is a prime.
4111 is a modest number, since divided by 111 gives 4 as remainder.
It is a plaindrome in base 9 and base 12.
It is a nialpdrome in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 4094 and 4103.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2055 + 2056.
It is an arithmetic number, because the mean of its divisors is an integer number (2056).
4111 is a deficient number, since it is larger than the sum of its proper divisors (1).
4111 is an equidigital number, since it uses as much as digits as its factorization.
4111 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 4, while the sum is 7.
The square root of 4111 is about 64.1170804076.
The cubic root of 4111 is about 16.0195074565.
The spelling of 4111 in words is "four thousand, one hundred eleven", and thus it is an iban number.