65006503065 has 96 divisors (see below), whose sum is σ = 139675850496. Its totient is φ = 27286917120.

The previous prime is 65006503013. The next prime is 65006503087. The reversal of 65006503065 is 56030560056.

It is a happy number.

65006503065 is a `hidden beast` number, since 6 + 500 + 65 + 0 + 30 + 65 = 666.

It is not a de Polignac number, because 65006503065 - 2²³ = 64998114457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 71514 + ... + 367596.

It is an arithmetic number, because the mean of its divisors is an integer number (1454956776).

Almost surely, 2^65006503065 is an apocalyptic number.

It is an amenable number.

65006503065 is an abundant number, since it is smaller than the sum of its proper divisors (74669347431).

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

65006503065 is a wasteful number, since it uses less digits than its factorization.

65006503065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296159 (or 296156 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 65006503065 in words is "sixty-five billion, six million, five hundred three thousand, sixty-five".