65012800560 has 80 divisors (see below), whose sum is σ = 202196391936. Its totient is φ = 17280255744.

The previous prime is 65012800549. The next prime is 65012800609. The reversal of 65012800560 is 6500821056.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367504 + ... + 514863.

Almost surely, 2^65012800560 is an apocalyptic number.

65012800560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65012800560 is an abundant number, since it is smaller than the sum of its proper divisors (137183591376).

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

65012800560 is a wasteful number, since it uses less digits than its factorization.

65012800560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882690 (or 882684 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 65012800560 in words is "sixty-five billion, twelve million, eight hundred thousand, five hundred sixty".