561000001106 has 16 divisors (see below), whose sum is σ = 853305129600. Its totient is φ = 276567460128.

The previous prime is 561000001049. The next prime is 561000001151. The reversal of 561000001106 is 601100000165.

It is a happy number.

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, 174446 + ... + 1073513.

It is an arithmetic number, because the mean of its divisors is an integer number (53331570600).

Almost surely, 2^561000001106 is an apocalyptic number.

561000001106 is a deficient number, since it is larger than the sum of its proper divisors (292305128494).

561000001106 is a wasteful number, since it uses less digits than its factorization.

561000001106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251113.

The product of its (nonzero) digits is 180, while the sum is 20.

The spelling of 561000001106 in words is "five hundred sixty-one billion, one thousand, one hundred six".