561000655016 has 32 divisors (see below), whose sum is σ = 1108092216000. Its totient is φ = 265532173056.

The previous prime is 561000654919. The next prime is 561000655037. The reversal of 561000655016 is 610556000165.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225676 + ... + 1619963.

It is an arithmetic number, because the mean of its divisors is an integer number (34627881750).

Almost surely, 2^561000655016 is an apocalyptic number.

It is an amenable number.

561000655016 is a deficient number, since it is larger than the sum of its proper divisors (547091560984).

561000655016 is a wasteful number, since it uses less digits than its factorization.

561000655016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846961 (or 2846957 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 561000655016 in words is "five hundred sixty-one billion, six hundred fifty-five thousand, sixteen".