561253053306 has 32 divisors (see below), whose sum is σ = 1234672399296. Its totient is φ = 170076680400.

The previous prime is 561253053299. The next prime is 561253053323. The reversal of 561253053306 is 603350352165.

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, 35131825 + ... + 35147796.

It is an arithmetic number, because the mean of its divisors is an integer number (38583512478).

Almost surely, 2^561253053306 is an apocalyptic number.

561253053306 is an abundant number, since it is smaller than the sum of its proper divisors (673419345990).

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

561253053306 is a wasteful number, since it uses less digits than its factorization.

561253053306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70279659 (or 70279637 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 39.

The spelling of 561253053306 in words is "five hundred sixty-one billion, two hundred fifty-three million, fifty-three thousand, three hundred six".