27111277049 has 2 divisors, whose sum is σ = 27111277050. Its totient is φ = 27111277048.

The previous prime is 27111277033. The next prime is 27111277093. The reversal of 27111277049 is 94077211172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24713412025 + 2397865024 = 157205^2 + 48968^2 .

It is a cyclic number.

It is not a de Polignac number, because 27111277049 - 2⁴ = 27111277033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27111276997 and 27111277015.

It is not a weakly prime, because it can be changed into another prime (27111277549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13555638524 + 13555638525.

It is an arithmetic number, because the mean of its divisors is an integer number (13555638525).

Almost surely, 2^27111277049 is an apocalyptic number.

It is an amenable number.

27111277049 is a deficient number, since it is larger than the sum of its proper divisors (1).

27111277049 is an equidigital number, since it uses as much as digits as its factorization.

27111277049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 41.

The spelling of 27111277049 in words is "twenty-seven billion, one hundred eleven million, two hundred seventy-seven thousand, forty-nine".