65375065120 has 24 divisors (see below), whose sum is σ = 154448591724. Its totient is φ = 26150025984.

The previous prime is 65375065117. The next prime is 65375065153. The reversal of 65375065120 is 2156057356.

It can be written as a sum of positive squares in 2 ways, for example, as 65288426256 + 86638864 = 255516^2 + 9308^2 .

It is a super-2 number, since 2×65375065120² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204296919 + ... + 204297238.

Almost surely, 2^65375065120 is an apocalyptic number.

It is an amenable number.

65375065120 is an abundant number, since it is smaller than the sum of its proper divisors (89073526604).

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

65375065120 is a wasteful number, since it uses less digits than its factorization.

65375065120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408594172 (or 408594164 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 65375065120 in words is "sixty-five billion, three hundred seventy-five million, sixty-five thousand, one hundred twenty".