27255541365 has 80 divisors (see below), whose sum is σ = 52742866176. Its totient is φ = 13385865600.

The previous prime is 27255541349. The next prime is 27255541367. The reversal of 27255541365 is 56314555272.

It is a happy number.

27255541365 is a `hidden beast` number, since 2 + 7 + 25 + 554 + 13 + 65 = 666.

It is not a de Polignac number, because 27255541365 - 2⁴ = 27255541349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 27255541365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27255541367) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2263210 + ... + 2275220.

Almost surely, 2^27255541365 is an apocalyptic number.

It is an amenable number.

27255541365 is a deficient number, since it is larger than the sum of its proper divisors (25487324811).

27255541365 is a wasteful number, since it uses less digits than its factorization.

27255541365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12472 (or 12463 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 45.

The spelling of 27255541365 in words is "twenty-seven billion, two hundred fifty-five million, five hundred forty-one thousand, three hundred sixty-five".