561105600009 has 8 divisors (see below), whose sum is σ = 748154509440. Its totient is φ = 374063545296.

The previous prime is 561105599981. The next prime is 561105600023. The reversal of 561105600009 is 900006501165.

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

It is not a de Polignac number, because 561105600009 - 2²⁰ = 561104551433 is a prime.

It is a super-2 number, since 2×561105600009² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (561105600079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1519537 + ... + 1852350.

It is an arithmetic number, because the mean of its divisors is an integer number (93519313680).

Almost surely, 2^561105600009 is an apocalyptic number.

It is an amenable number.

561105600009 is a deficient number, since it is larger than the sum of its proper divisors (187048909431).

561105600009 is a wasteful number, since it uses less digits than its factorization.

561105600009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427359.

The product of its (nonzero) digits is 8100, while the sum is 33.

The spelling of 561105600009 in words is "five hundred sixty-one billion, one hundred five million, six hundred thousand, nine".