63541665055560 has 32 divisors (see below), whose sum is σ = 190624995167040. Its totient is φ = 16944444014784.

The previous prime is 63541665055541. The next prime is 63541665055621. The reversal of 63541665055560 is 6555056614536.

It is a self number, because there is not a number n which added to its sum of digits gives 63541665055560.

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, 264756937612 + ... + 264756937851.

It is an arithmetic number, because the mean of its divisors is an integer number (5957031098970).

Almost surely, 2^{63541665055560} is an apocalyptic number.

63541665055560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63541665055560 is an abundant number, since it is smaller than the sum of its proper divisors (127083330111480).

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

63541665055560 is a wasteful number, since it uses less digits than its factorization.

63541665055560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529513875477 (or 529513875473 counting only the distinct ones).

The product of its (nonzero) digits is 48600000, while the sum is 57.

The spelling of 63541665055560 in words is "sixty-three trillion, five hundred forty-one billion, six hundred sixty-five million, fifty-five thousand, five hundred sixty".