27271251108 has 18 divisors (see below), whose sum is σ = 68935662614. Its totient is φ = 9090417024.

The previous prime is 27271251103. The next prime is 27271251109. The reversal of 27271251108 is 80115217272.

27271251108 is a `hidden beast` number, since 2 + 72 + 71 + 2 + 511 + 0 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25793002404 + 1478248704 = 160602^2 + 38448^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×27271251108² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 757534753 = 27271251108 / (2 + 7 + 2 + 7 + 1 + 2 + 5 + 1 + 1 + 0 + 8).

It is not an unprimeable number, because it can be changed into a prime (27271251103) 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 5 ways as a sum of consecutive naturals, for example, 378767341 + ... + 378767412.

Almost surely, 2^27271251108 is an apocalyptic number.

It is an amenable number.

27271251108 is an abundant number, since it is smaller than the sum of its proper divisors (41664411506).

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

27271251108 is a wasteful number, since it uses less digits than its factorization.

27271251108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757534763 (or 757534758 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The spelling of 27271251108 in words is "twenty-seven billion, two hundred seventy-one million, two hundred fifty-one thousand, one hundred eight".