64511060655536 has 60 divisors (see below), whose sum is σ = 137387957123592. Its totient is φ = 29322770400000.

The previous prime is 64511060655479. The next prime is 64511060655589. The reversal of 64511060655536 is 63555606011546.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153607436 + ... + 154026836.

Almost surely, 2^{64511060655536} is an apocalyptic number.

It is an amenable number.

64511060655536 is an abundant number, since it is smaller than the sum of its proper divisors (72876896468056).

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

64511060655536 is a wasteful number, since it uses less digits than its factorization.

64511060655536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498882 (or 498865 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 53.

The spelling of 64511060655536 in words is "sixty-four trillion, five hundred eleven billion, sixty million, six hundred fifty-five thousand, five hundred thirty-six".