27011178883985 has 8 divisors (see below), whose sum is σ = 32414442509736. Its totient is φ = 21608257874560.

The previous prime is 27011178883963. The next prime is 27011178883991. The reversal of 27011178883985 is 58938887111072.

It is a Cunningham number, because it is equal to 5197228²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 138556661824 + 26872622222161 = 372232^2 + 5183881^2 .

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

It is not a de Polignac number, because 27011178883985 - 2¹² = 27011178879889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85480604 + ... + 85796013.

It is an arithmetic number, because the mean of its divisors is an integer number (4051805313717).

Almost surely, 2^{27011178883985} is an apocalyptic number.

It is an amenable number.

27011178883985 is a deficient number, since it is larger than the sum of its proper divisors (5403263625751).

27011178883985 is a wasteful number, since it uses less digits than its factorization.

27011178883985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171308163.

The product of its (nonzero) digits is 54190080, while the sum is 68.

The spelling of 27011178883985 in words is "twenty-seven trillion, eleven billion, one hundred seventy-eight million, eight hundred eighty-three thousand, nine hundred eighty-five".