27011181011 has 2 divisors, whose sum is σ = 27011181012. Its totient is φ = 27011181010.

The previous prime is 27011180971. The next prime is 27011181019. The reversal of 27011181011 is 11018111072.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27011181011 is a prime.

It is not a weakly prime, because it can be changed into another prime (27011181019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13505590505 + 13505590506.

It is an arithmetic number, because the mean of its divisors is an integer number (13505590506).

Almost surely, 2^27011181011 is an apocalyptic number.

27011181011 is a deficient number, since it is larger than the sum of its proper divisors (1).

27011181011 is an equidigital number, since it uses as much as digits as its factorization.

27011181011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 23.

Adding to 27011181011 its reverse (11018111072), we get a palindrome (38029292083).

The spelling of 27011181011 in words is "twenty-seven billion, eleven million, one hundred eighty-one thousand, eleven".