27205118875 has 16 divisors (see below), whose sum is σ = 37038534624. Its totient is φ = 19785540000.

The previous prime is 27205118873. The next prime is 27205118879. The reversal of 27205118875 is 57881150272.

It is not a de Polignac number, because 27205118875 - 2¹ = 27205118873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27205118873) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9891396 + ... + 9894145.

It is an arithmetic number, because the mean of its divisors is an integer number (2314908414).

Almost surely, 2^27205118875 is an apocalyptic number.

27205118875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27205118875 is a deficient number, since it is larger than the sum of its proper divisors (9833415749).

27205118875 is a wasteful number, since it uses less digits than its factorization.

27205118875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19785567 (or 19785557 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 46.

The spelling of 27205118875 in words is "twenty-seven billion, two hundred five million, one hundred eighteen thousand, eight hundred seventy-five".