4011 has 8 divisors (see below), whose sum is σ = 6144. Its totient is φ = 2280.

The previous prime is 4007. The next prime is 4013. The reversal of 4011 is 1104.

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

It is not a de Polignac number, because 4011 - 2² = 4007 is a prime.

It is a plaindrome in base 14.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (4013) 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, 75 + ... + 116.

It is an arithmetic number, because the mean of its divisors is an integer number (768).

2⁴⁰¹¹ is an apocalyptic number.

4011 is a deficient number, since it is larger than the sum of its proper divisors (2133).

4011 is a wasteful number, since it uses less digits than its factorization.

4011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 4011 is about 63.3324561343. The cubic root of 4011 is about 15.8885483778. Note that the first 3 decimals are identical.

Adding to 4011 its reverse (1104), we get a palindrome (5115).

The spelling of 4011 in words is "four thousand, eleven", and thus it is an iban number.