27056561624577 has 6 divisors (see below), whose sum is σ = 39081700124402. Its totient is φ = 18037707749712.

The previous prime is 27056561624537. The next prime is 27056561624657. The reversal of 27056561624577 is 77542616565072.

27056561624577 is a `hidden beast` number, since 2 + 7 + 0 + 5 + 6 + 5 + 616 + 2 + 4 + 5 + 7 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25850147164416 + 1206414460161 = 5084304^2 + 1098369^2 .

It is not a de Polignac number, because 27056561624577 - 2¹¹ = 27056561622529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27056561624537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1503142312468 + ... + 1503142312485.

Almost surely, 2^{27056561624577} is an apocalyptic number.

It is an amenable number.

27056561624577 is a deficient number, since it is larger than the sum of its proper divisors (12025138499825).

27056561624577 is a wasteful number, since it uses less digits than its factorization.

27056561624577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006284624959 (or 3006284624956 counting only the distinct ones).

The product of its (nonzero) digits is 148176000, while the sum is 63.

The spelling of 27056561624577 in words is "twenty-seven trillion, fifty-six billion, five hundred sixty-one million, six hundred twenty-four thousand, five hundred seventy-seven".