561000655010 has 32 divisors (see below), whose sum is σ = 1072979436672. Its totient is φ = 210453937920.

The previous prime is 561000654919. The next prime is 561000655037. The reversal of 561000655010 is 10556000165.

It is a Curzon number.

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, 5782286 + ... + 5878505.

It is an arithmetic number, because the mean of its divisors is an integer number (33530607396).

Almost surely, 2^561000655010 is an apocalyptic number.

561000655010 is a deficient number, since it is larger than the sum of its proper divisors (511978781662).

561000655010 is a wasteful number, since it uses less digits than its factorization.

561000655010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11661098.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 561000655010 its reverse (10556000165), we get a palindrome (571556655175).

The spelling of 561000655010 in words is "five hundred sixty-one billion, six hundred fifty-five thousand, ten".