27318815275 has 6 divisors (see below), whose sum is σ = 33875330972. Its totient is φ = 21855052200.

The previous prime is 27318815273. The next prime is 27318815323. The reversal of 27318815275 is 57251881372.

It is not a de Polignac number, because 27318815275 - 2¹ = 27318815273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27318815273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 546376281 + ... + 546376330.

Almost surely, 2^27318815275 is an apocalyptic number.

27318815275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27318815275 is a deficient number, since it is larger than the sum of its proper divisors (6556515697).

27318815275 is a wasteful number, since it uses less digits than its factorization.

27318815275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092752621 (or 1092752616 counting only the distinct ones).

The product of its digits is 940800, while the sum is 49.

The spelling of 27318815275 in words is "twenty-seven billion, three hundred eighteen million, eight hundred fifteen thousand, two hundred seventy-five".