561105600506 has 16 divisors (see below), whose sum is σ = 918190231200. Its totient is φ = 255043158480.

The previous prime is 561105600499. The next prime is 561105600511. The reversal of 561105600506 is 605006501165.

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, 1111265 + ... + 1535291.

It is an arithmetic number, because the mean of its divisors is an integer number (57386889450).

Almost surely, 2^561105600506 is an apocalyptic number.

561105600506 is a deficient number, since it is larger than the sum of its proper divisors (357084630694).

561105600506 is a wasteful number, since it uses less digits than its factorization.

561105600506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484189.

The product of its (nonzero) digits is 27000, while the sum is 35.

It can be divided in two parts, 561105 and 600506, that added together give a palindrome (1161611).

The spelling of 561105600506 in words is "five hundred sixty-one billion, one hundred five million, six hundred thousand, five hundred six".