56611307105 has 8 divisors (see below), whose sum is σ = 68147871912. Its totient is φ = 45146176768.

The previous prime is 56611307089. The next prime is 56611307171. The reversal of 56611307105 is 50170311665.

It can be written as a sum of positive squares in 4 ways, for example, as 1729811281 + 54881495824 = 41591^2 + 234268^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56611307105 - 2⁴ = 56611307089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17856872 + ... + 17860041.

It is an arithmetic number, because the mean of its divisors is an integer number (8518483989).

Almost surely, 2^56611307105 is an apocalyptic number.

It is an amenable number.

56611307105 is a deficient number, since it is larger than the sum of its proper divisors (11536564807).

56611307105 is a wasteful number, since it uses less digits than its factorization.

56611307105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35717235.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 56611307105 in words is "fifty-six billion, six hundred eleven million, three hundred seven thousand, one hundred five".