27012761556208 has 20 divisors (see below), whose sum is σ = 55091816332360. Its totient is φ = 12795518631744.

The previous prime is 27012761556173. The next prime is 27012761556241. The reversal of 27012761556208 is 80265516721072.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 44428883835 + ... + 44428884442.

It is an arithmetic number, because the mean of its divisors is an integer number (2754590816618).

Almost surely, 2^{27012761556208} is an apocalyptic number.

It is an amenable number.

27012761556208 is an abundant number, since it is smaller than the sum of its proper divisors (28079054776152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27012761556208 is a wasteful number, since it uses less digits than its factorization.

27012761556208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88857768304 (or 88857768298 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 27012761556208 in words is "twenty-seven trillion, twelve billion, seven hundred sixty-one million, five hundred fifty-six thousand, two hundred eight".