5011 has 2 divisors, whose sum is σ = 5012. Its totient is φ = 5010.

The previous prime is 5009. The next prime is 5021. The reversal of 5011 is 1105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5011 - 2¹ = 5009 is a prime.

It is a super-2 number, since 2×5011² = 50220242, which contains 22 as substring.

Together with 5009, it forms a pair of twin primes.

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 4985 and 5003.

It is not a weakly prime, because it can be changed into another prime (5021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505 + 2506.

It is an arithmetic number, because the mean of its divisors is an integer number (2506).

5011 is a deficient number, since it is larger than the sum of its proper divisors (1).

5011 is an equidigital number, since it uses as much as digits as its factorization.

5011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5, while the sum is 7.

The square root of 5011 is about 70.7884171316. The cubic root of 5011 is about 17.1122901057.

Adding to 5011 its reverse (1105), we get a palindrome (6116).

The spelling of 5011 in words is "five thousand, eleven".