27275155231808 has 42 divisors (see below), whose sum is σ = 59491819105278. Its totient is φ = 12397797829120.

The previous prime is 27275155231747. The next prime is 27275155231817. The reversal of 27275155231808 is 80813255157272.

It can be written as a sum of positive squares in only one way, i.e., 26349003064384 + 926152167424 = 5133128^2 + 962368^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1761043085 + ... + 1761058572.

It is an arithmetic number, because the mean of its divisors is an integer number (1416471883459).

Almost surely, 2^{27275155231808} is an apocalyptic number.

It is an amenable number.

27275155231808 is an abundant number, since it is smaller than the sum of its proper divisors (32216663873470).

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

27275155231808 is a wasteful number, since it uses less digits than its factorization.

27275155231808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522101691 (or 3522101670 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 56.

The spelling of 27275155231808 in words is "twenty-seven trillion, two hundred seventy-five billion, one hundred fifty-five million, two hundred thirty-one thousand, eight hundred eight".