27000011 has 2 divisors, whose sum is σ = 27000012. Its totient is φ = 27000010.

The previous prime is 26999981. The next prime is 27000013. The reversal of 27000011 is 11000072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27000011 - 2²² = 22805707 is a prime.

Together with 27000013, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26999956 and 27000001.

It is not a weakly prime, because it can be changed into another prime (27000013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13500005 + 13500006.

It is an arithmetic number, because the mean of its divisors is an integer number (13500006).

Almost surely, 2^27000011 is an apocalyptic number.

27000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

27000011 is an equidigital number, since it uses as much as digits as its factorization.

27000011 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 27000011 is about 5196.1534811820. The cubic root of 27000011 is about 300.0000407407. Note that the first 4 decimals are identical.

Subtracting from 27000011 its sum of digits (11), we obtain a cube (27000000 = 300³).

Adding to 27000011 its reverse (11000072), we get a palindrome (38000083).

The spelling of 27000011 in words is "twenty-seven million, eleven", and thus it is an aban number and an uban number.