27130666511 has 8 divisors (see below), whose sum is σ = 29218921200. Its totient is φ = 25042594752.

The previous prime is 27130666499. The next prime is 27130666529. The reversal of 27130666511 is 11566603172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27130666511 - 2³⁴ = 9950797327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27130666711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544940 + ... + 592638.

It is an arithmetic number, because the mean of its divisors is an integer number (3652365150).

Almost surely, 2^27130666511 is an apocalyptic number.

27130666511 is a deficient number, since it is larger than the sum of its proper divisors (2088254689).

27130666511 is a wasteful number, since it uses less digits than its factorization.

27130666511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91465.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 27130666511 in words is "twenty-seven billion, one hundred thirty million, six hundred sixty-six thousand, five hundred eleven".