27085566045 has 16 divisors (see below), whose sum is σ = 43339530240. Its totient is φ = 14444760384.

The previous prime is 27085566041. The next prime is 27085566059. The reversal of 27085566045 is 54066558072.

It is a happy number.

It is not a de Polignac number, because 27085566045 - 2² = 27085566041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27085565985 and 27085566003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27085566041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259492 + ... + 348578.

It is an arithmetic number, because the mean of its divisors is an integer number (2708720640).

Almost surely, 2^27085566045 is an apocalyptic number.

It is an amenable number.

27085566045 is a deficient number, since it is larger than the sum of its proper divisors (16253964195).

27085566045 is a wasteful number, since it uses less digits than its factorization.

27085566045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109364.

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 27085566045 in words is "twenty-seven billion, eighty-five million, five hundred sixty-six thousand, forty-five".