27065512011 has 4 divisors (see below), whose sum is σ = 36087349352. Its totient is φ = 18043674672.

The previous prime is 27065511959. The next prime is 27065512013. The reversal of 27065512011 is 11021556072.

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

It is not a de Polignac number, because 27065512011 - 2¹⁹ = 27064987723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27065512011.

It is not an unprimeable number, because it can be changed into a prime (27065512013) 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, 4510918666 + ... + 4510918671.

It is an arithmetic number, because the mean of its divisors is an integer number (9021837338).

Almost surely, 2^27065512011 is an apocalyptic number.

27065512011 is a deficient number, since it is larger than the sum of its proper divisors (9021837341).

27065512011 is an equidigital number, since it uses as much as digits as its factorization.

27065512011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9021837340.

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 27065512011 in words is "twenty-seven billion, sixty-five million, five hundred twelve thousand, eleven".