561200172204 has 48 divisors (see below), whose sum is σ = 1548138412800. Its totient is φ = 154813839936.

The previous prime is 561200172199. The next prime is 561200172301. The reversal of 561200172204 is 402271002165.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115186434 + ... + 115191305.

It is an arithmetic number, because the mean of its divisors is an integer number (32252883600).

Almost surely, 2^561200172204 is an apocalyptic number.

It is an amenable number.

561200172204 is an abundant number, since it is smaller than the sum of its proper divisors (986938240596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561200172204 is a wasteful number, since it uses less digits than its factorization.

561200172204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230377782 (or 230377780 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 561200172204 its reverse (402271002165), we get a palindrome (963471174369).

The spelling of 561200172204 in words is "five hundred sixty-one billion, two hundred million, one hundred seventy-two thousand, two hundred four".