27235675081 has 2 divisors, whose sum is σ = 27235675082. Its totient is φ = 27235675080.

The previous prime is 27235675079. The next prime is 27235675109. The reversal of 27235675081 is 18057653272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18247687056 + 8987988025 = 135084^2 + 94805^2 .

It is a cyclic number.

It is not a de Polignac number, because 27235675081 - 2¹ = 27235675079 is a prime.

It is a super-2 number, since 2×27235675081² (a number of 22 digits) contains 22 as substring.

Together with 27235675079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27235675681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13617837540 + 13617837541.

It is an arithmetic number, because the mean of its divisors is an integer number (13617837541).

Almost surely, 2^27235675081 is an apocalyptic number.

It is an amenable number.

27235675081 is a deficient number, since it is larger than the sum of its proper divisors (1).

27235675081 is an equidigital number, since it uses as much as digits as its factorization.

27235675081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 27235675081 in words is "twenty-seven billion, two hundred thirty-five million, six hundred seventy-five thousand, eighty-one".