65505000512 has 56 divisors (see below), whose sum is σ = 148621821120. Its totient is φ = 28061130240.

The previous prime is 65505000481. The next prime is 65505000551. The reversal of 65505000512 is 21500050556.

It is a tau number, because it is divible by the number of its divisors (56).

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, 1017539 + ... + 1079997.

Almost surely, 2^65505000512 is an apocalyptic number.

It is an amenable number.

65505000512 is an abundant number, since it is smaller than the sum of its proper divisors (83116820608).

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

65505000512 is a wasteful number, since it uses less digits than its factorization.

65505000512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64819 (or 64809 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The spelling of 65505000512 in words is "sixty-five billion, five hundred five million, five hundred twelve", and thus it is an aban number.