561200172207 has 8 divisors (see below), whose sum is σ = 748287682560. Its totient is φ = 374123055000.

The previous prime is 561200172199. The next prime is 561200172301. The reversal of 561200172207 is 702271002165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 561200172207 - 2³ = 561200172199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561200172307) 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, 2471407 + ... + 2688912.

It is an arithmetic number, because the mean of its divisors is an integer number (93535960320).

Almost surely, 2^561200172207 is an apocalyptic number.

561200172207 is a deficient number, since it is larger than the sum of its proper divisors (187087510353).

561200172207 is a wasteful number, since it uses less digits than its factorization.

561200172207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196573.

The product of its (nonzero) digits is 11760, while the sum is 33.

The spelling of 561200172207 in words is "five hundred sixty-one billion, two hundred million, one hundred seventy-two thousand, two hundred seven".