27111277093 has 2 divisors, whose sum is σ = 27111277094. Its totient is φ = 27111277092.

The previous prime is 27111277049. The next prime is 27111277129. The reversal of 27111277093 is 39077211172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16424472964 + 10686804129 = 128158^2 + 103377^2 .

It is a cyclic number.

It is not a de Polignac number, because 27111277093 - 2²¹ = 27109179941 is a prime.

It is a super-2 number, since 2×27111277093² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27111277033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13555638546 + 13555638547.

It is an arithmetic number, because the mean of its divisors is an integer number (13555638547).

Almost surely, 2^27111277093 is an apocalyptic number.

It is an amenable number.

27111277093 is a deficient number, since it is larger than the sum of its proper divisors (1).

27111277093 is an equidigital number, since it uses as much as digits as its factorization.

27111277093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044, while the sum is 40.

The spelling of 27111277093 in words is "twenty-seven billion, one hundred eleven million, two hundred seventy-seven thousand, ninety-three".