561712055216 has 40 divisors (see below), whose sum is σ = 1172135447280. Its totient is φ = 259229235456.

The previous prime is 561712055213. The next prime is 561712055221. The reversal of 561712055216 is 612550217165.

It is not an unprimeable number, because it can be changed into a prime (561712055213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2418890 + ... + 2640918.

It is an arithmetic number, because the mean of its divisors is an integer number (29303386182).

Almost surely, 2^561712055216 is an apocalyptic number.

It is an amenable number.

561712055216 is an abundant number, since it is smaller than the sum of its proper divisors (610423392064).

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

561712055216 is a wasteful number, since it uses less digits than its factorization.

561712055216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234213 (or 234207 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 561712055216 in words is "five hundred sixty-one billion, seven hundred twelve million, fifty-five thousand, two hundred sixteen".