56512200465 has 24 divisors (see below), whose sum is σ = 111947978688. Its totient is φ = 25834148640.

The previous prime is 56512200463. The next prime is 56512200491. The reversal of 56512200465 is 56400221565.

56512200465 is a `hidden beast` number, since 565 + 12 + 20 + 0 + 4 + 65 = 666.

56512200465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56512200465 - 2¹ = 56512200463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56512200463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89701591 + ... + 89702220.

It is an arithmetic number, because the mean of its divisors is an integer number (4664499112).

Almost surely, 2^56512200465 is an apocalyptic number.

It is an amenable number.

56512200465 is a deficient number, since it is larger than the sum of its proper divisors (55435778223).

56512200465 is a wasteful number, since it uses less digits than its factorization.

56512200465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179403829 (or 179403826 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 56512200465 in words is "fifty-six billion, five hundred twelve million, two hundred thousand, four hundred sixty-five".