27111038849 has 2 divisors, whose sum is σ = 27111038850. Its totient is φ = 27111038848.

The previous prime is 27111038833. The next prime is 27111038887. The reversal of 27111038849 is 94883011172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13845758224 + 13265280625 = 117668^2 + 115175^2 .

It is a cyclic number.

It is not a de Polignac number, because 27111038849 - 2⁴ = 27111038833 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (27111038819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13555519424 + 13555519425.

It is an arithmetic number, because the mean of its divisors is an integer number (13555519425).

Almost surely, 2^27111038849 is an apocalyptic number.

It is an amenable number.

27111038849 is a deficient number, since it is larger than the sum of its proper divisors (1).

27111038849 is an equidigital number, since it uses as much as digits as its factorization.

27111038849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 27111038849 in words is "twenty-seven billion, one hundred eleven million, thirty-eight thousand, eight hundred forty-nine".