4911 has 4 divisors (see below), whose sum is σ = 6552. Its totient is φ = 3272.

The previous prime is 4909. The next prime is 4919. The reversal of 4911 is 1194.

Added to its reverse (1194) it gives a triangular number (6105 = T₁₁₀).

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4911 - 2¹ = 4909 is a prime.

It is a D-number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4919) 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, 816 + ... + 821.

It is an arithmetic number, because the mean of its divisors is an integer number (1638).

2⁴⁹¹¹ is an apocalyptic number.

4911 is a deficient number, since it is larger than the sum of its proper divisors (1641).

4911 is a wasteful number, since it uses less digits than its factorization.

4911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640.

The product of its digits is 36, while the sum is 15.

The square root of 4911 is about 70.0785273818. The cubic root of 4911 is about 16.9976928818.

Adding to 4911 its reverse (1194), we get a triangular number (6105 = T₁₁₀).

The spelling of 4911 in words is "four thousand, nine hundred eleven".