56065670505 has 64 divisors (see below), whose sum is σ = 107379793920. Its totient is φ = 27591176448.

The previous prime is 56065670483. The next prime is 56065670513. The reversal of 56065670505 is 50507656065.

It is not a de Polignac number, because 56065670505 - 2⁵ = 56065670473 is a prime.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6958059 + ... + 6966111.

It is an arithmetic number, because the mean of its divisors is an integer number (1677809280).

Almost surely, 2^56065670505 is an apocalyptic number.

It is an amenable number.

56065670505 is a deficient number, since it is larger than the sum of its proper divisors (51314123415).

56065670505 is a wasteful number, since it uses less digits than its factorization.

56065670505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12047 (or 12041 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 45.

The spelling of 56065670505 in words is "fifty-six billion, sixty-five million, six hundred seventy thousand, five hundred five".