561705000005 has 4 divisors (see below), whose sum is σ = 674046000012. Its totient is φ = 449364000000.

The previous prime is 561704999963. The next prime is 561705000067. The reversal of 561705000005 is 500000507165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500000507165 = 5 ⋅100000101433.

It can be written as a sum of positive squares in 2 ways, for example, as 144071107489 + 417633892516 = 379567^2 + 646246^2 .

It is not a de Polignac number, because 561705000005 - 2⁸ = 561704999749 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, 56170499996 + ... + 56170500005.

It is an arithmetic number, because the mean of its divisors is an integer number (168511500003).

Almost surely, 2^561705000005 is an apocalyptic number.

It is an amenable number.

561705000005 is a deficient number, since it is larger than the sum of its proper divisors (112341000007).

561705000005 is a wasteful number, since it uses less digits than its factorization.

561705000005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112341000006.

The product of its (nonzero) digits is 5250, while the sum is 29.

The spelling of 561705000005 in words is "five hundred sixty-one billion, seven hundred five million, five", and thus it is an aban number.