27566240117 has 32 divisors (see below), whose sum is σ = 32697772800. Its totient is φ = 22994813952.

The previous prime is 27566240111. The next prime is 27566240153. The reversal of 27566240117 is 71104266572.

It is a cyclic number.

It is not a de Polignac number, because 27566240117 - 2²⁰ = 27565191541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27566240111) 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 31 ways as a sum of consecutive naturals, for example, 2112509 + ... + 2125517.

It is an arithmetic number, because the mean of its divisors is an integer number (1021805400).

Almost surely, 2^27566240117 is an apocalyptic number.

It is an amenable number.

27566240117 is a deficient number, since it is larger than the sum of its proper divisors (5131532683).

27566240117 is a wasteful number, since it uses less digits than its factorization.

27566240117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13437.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 27566240117 in words is "twenty-seven billion, five hundred sixty-six million, two hundred forty thousand, one hundred seventeen".