56105600605 has 4 divisors (see below), whose sum is σ = 67326720732. Its totient is φ = 44884480480.

The previous prime is 56105600569. The next prime is 56105600687. The reversal of 56105600605 is 50600650165.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9909406116 + 46196194489 = 99546^2 + 214933^2 .

It is not a de Polignac number, because 56105600605 - 2⁹ = 56105600093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5610560056 + ... + 5610560065.

It is an arithmetic number, because the mean of its divisors is an integer number (16831680183).

Almost surely, 2^56105600605 is an apocalyptic number.

It is an amenable number.

56105600605 is a deficient number, since it is larger than the sum of its proper divisors (11221120127).

56105600605 is a wasteful number, since it uses less digits than its factorization.

56105600605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11221120126.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 56105600605 in words is "fifty-six billion, one hundred five million, six hundred thousand, six hundred five".