27115660556 has 24 divisors (see below), whose sum is σ = 48484712640. Its totient is φ = 13269162576.

The previous prime is 27115660547. The next prime is 27115660597. The reversal of 27115660556 is 65506651172.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382646 + ... + 447938.

It is an arithmetic number, because the mean of its divisors is an integer number (2020196360).

Almost surely, 2^27115660556 is an apocalyptic number.

It is an amenable number.

27115660556 is a deficient number, since it is larger than the sum of its proper divisors (21369052084).

27115660556 is an frugal number, since it uses more digits than its factorization.

27115660556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65438 (or 65342 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 27115660556 in words is "twenty-seven billion, one hundred fifteen million, six hundred sixty thousand, five hundred fifty-six".