30561345506564 has 24 divisors (see below), whose sum is σ = 53533804262400. Its totient is φ = 15265979565984.

The previous prime is 30561345506561. The next prime is 30561345506651. The reversal of 30561345506564 is 46560554316503.

It is not an unprimeable number, because it can be changed into a prime (30561345506561) 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, 17441597 + ... + 19113659.

It is an arithmetic number, because the mean of its divisors is an integer number (2230575177600).

Almost surely, 2^{30561345506564} is an apocalyptic number.

It is an amenable number.

30561345506564 is a deficient number, since it is larger than the sum of its proper divisors (22972458755836).

30561345506564 is a wasteful number, since it uses less digits than its factorization.

30561345506564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676459 (or 1676457 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 53.

The spelling of 30561345506564 in words is "thirty trillion, five hundred sixty-one billion, three hundred forty-five million, five hundred six thousand, five hundred sixty-four".