27110761109 has 2 divisors, whose sum is σ = 27110761110. Its totient is φ = 27110761108.

The previous prime is 27110761057. The next prime is 27110761123. The reversal of 27110761109 is 90116701172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25895890084 + 1214871025 = 160922^2 + 34855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27110761109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27110761159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13555380554 + 13555380555.

It is an arithmetic number, because the mean of its divisors is an integer number (13555380555).

Almost surely, 2^27110761109 is an apocalyptic number.

It is an amenable number.

27110761109 is a deficient number, since it is larger than the sum of its proper divisors (1).

27110761109 is an equidigital number, since it uses as much as digits as its factorization.

27110761109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 35.

The spelling of 27110761109 in words is "twenty-seven billion, one hundred ten million, seven hundred sixty-one thousand, one hundred nine".