27011 has 2 divisors, whose sum is σ = 27012. Its totient is φ = 27010.

The previous prime is 26993. The next prime is 27017. The reversal of 27011 is 11072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27011 - 2⁶ = 26947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26983 and 27001.

It is not a weakly prime, because it can be changed into another prime (27017) 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, 13505 + 13506.

It is an arithmetic number, because the mean of its divisors is an integer number (13506).

2²⁷⁰¹¹ is an apocalyptic number.

27011 is the 74-th centered decagonal number.

27011 is a deficient number, since it is larger than the sum of its proper divisors (1).

27011 is an equidigital number, since it uses as much as digits as its factorization.

27011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 11.

The square root of 27011 is about 164.3502357771. The cubic root of 27011 is about 30.0040735209.

Subtracting from 27011 its sum of digits (11), we obtain a cube (27000 = 30³).

Adding to 27011 its reverse (11072), we get a palindrome (38083).

The spelling of 27011 in words is "twenty-seven thousand, eleven", and thus it is an iban number.