27156208711 has 4 divisors (see below), whose sum is σ = 27156565800. Its totient is φ = 27155851624.

The previous prime is 27156208687. The next prime is 27156208753. The reversal of 27156208711 is 11780265172.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27156208711 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 (27156208111) 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 3 ways as a sum of consecutive naturals, for example, 13801 + ... + 233458.

It is an arithmetic number, because the mean of its divisors is an integer number (6789141450).

Almost surely, 2^27156208711 is an apocalyptic number.

27156208711 is a deficient number, since it is larger than the sum of its proper divisors (357089).

27156208711 is a wasteful number, since it uses less digits than its factorization.

27156208711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357088.

The product of its (nonzero) digits is 47040, while the sum is 40.

The spelling of 27156208711 in words is "twenty-seven billion, one hundred fifty-six million, two hundred eight thousand, seven hundred eleven".