561105106001 has 16 divisors (see below), whose sum is σ = 619120844928. Its totient is φ = 508486034320.

The previous prime is 561105105973. The next prime is 561105106033. The reversal of 561105106001 is 100601501165.

It is a de Polignac number, because none of the positive numbers 2^k-561105106001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561105186001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243005 + ... + 1086858.

It is an arithmetic number, because the mean of its divisors is an integer number (38695052808).

Almost surely, 2^561105106001 is an apocalyptic number.

It is an amenable number.

561105106001 is a deficient number, since it is larger than the sum of its proper divisors (58015738927).

561105106001 is a wasteful number, since it uses less digits than its factorization.

561105106001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330213 (or 1330191 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 561105106001 its reverse (100601501165), we get a palindrome (661706607166).

The spelling of 561105106001 in words is "five hundred sixty-one billion, one hundred five million, one hundred six thousand, one".