561105599 has 8 divisors (see below), whose sum is σ = 575433408. Its totient is φ = 546877440.

The previous prime is 561105569. The next prime is 561105607. The reversal of 561105599 is 995501165.

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 561105599 - 2⁸ = 561105343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561105509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13442 + ... + 36095.

It is an arithmetic number, because the mean of its divisors is an integer number (71929176).

Almost surely, 2^561105599 is an apocalyptic number.

561105599 is a deficient number, since it is larger than the sum of its proper divisors (14327809).

561105599 is a wasteful number, since it uses less digits than its factorization.

561105599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49825.

The product of its (nonzero) digits is 60750, while the sum is 41.

The square root of 561105599 is about 23687.6676563988. The cubic root of 561105599 is about 824.7991425319.

The spelling of 561105599 in words is "five hundred sixty-one million, one hundred five thousand, five hundred ninety-nine".