27130664611 has 4 divisors (see below), whose sum is σ = 28066204800. Its totient is φ = 26195124424.

The previous prime is 27130664569. The next prime is 27130664621. The reversal of 27130664611 is 11646603172.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27130664611 - 2²³ = 27122276003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27130664621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467770051 + ... + 467770108.

It is an arithmetic number, because the mean of its divisors is an integer number (7016551200).

Almost surely, 2^27130664611 is an apocalyptic number.

27130664611 is a deficient number, since it is larger than the sum of its proper divisors (935540189).

27130664611 is an equidigital number, since it uses as much as digits as its factorization.

27130664611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935540188.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 27130664611 in words is "twenty-seven billion, one hundred thirty million, six hundred sixty-four thousand, six hundred eleven".