56105165605065 has 8 divisors (see below), whose sum is σ = 89768264968128. Its totient is φ = 29922754989360.

The previous prime is 56105165605051. The next prime is 56105165605067. The reversal of 56105165605065 is 56050656150165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56105165605065 - 2⁵ = 56105165605033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56105165604999 and 56105165605017.

It is not an unprimeable number, because it can be changed into a prime (56105165605067) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1870172186821 + ... + 1870172186850.

It is an arithmetic number, because the mean of its divisors is an integer number (11221033121016).

Almost surely, 2^{56105165605065} is an apocalyptic number.

It is an amenable number.

56105165605065 is a deficient number, since it is larger than the sum of its proper divisors (33663099363063).

56105165605065 is a wasteful number, since it uses less digits than its factorization.

56105165605065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740344373679.

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 56105165605065 in words is "fifty-six trillion, one hundred five billion, one hundred sixty-five million, six hundred five thousand, sixty-five".