27555615427160 has 16 divisors (see below), whose sum is σ = 62000134711200. Its totient is φ = 11022246170848.

The previous prime is 27555615427147. The next prime is 27555615427169. The reversal of 27555615427160 is 6172451655572.

It is a junction number, because it is equal to n+sod(n) for n = 27555615427096 and 27555615427105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27555615427169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344445192800 + ... + 344445192879.

It is an arithmetic number, because the mean of its divisors is an integer number (3875008419450).

Almost surely, 2^{27555615427160} is an apocalyptic number.

27555615427160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27555615427160 is an abundant number, since it is smaller than the sum of its proper divisors (34444519284040).

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

27555615427160 is a wasteful number, since it uses less digits than its factorization.

27555615427160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688890385690 (or 688890385686 counting only the distinct ones).

The product of its (nonzero) digits is 17640000, while the sum is 56.

The spelling of 27555615427160 in words is "twenty-seven trillion, five hundred fifty-five billion, six hundred fifteen million, four hundred twenty-seven thousand, one hundred sixty".