65145216330500 has 48 divisors (see below), whose sum is σ = 142332067358208. Its totient is φ = 26048028860000.

The previous prime is 65145216330499. The next prime is 65145216330527. The reversal of 65145216330500 is 503361254156.

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, 23847386 + ... + 26438385.

It is an arithmetic number, because the mean of its divisors is an integer number (2965251403296).

Almost surely, 2^{65145216330500} is an apocalyptic number.

It is an amenable number.

65145216330500 is an abundant number, since it is smaller than the sum of its proper divisors (77186851027708).

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

65145216330500 is a wasteful number, since it uses less digits than its factorization.

65145216330500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50288381 (or 50288369 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

Adding to 65145216330500 its reverse (503361254156), we get a palindrome (65648577584656).

The spelling of 65145216330500 in words is "sixty-five trillion, one hundred forty-five billion, two hundred sixteen million, three hundred thirty thousand, five hundred".