65017265500 has 96 divisors (see below), whose sum is σ = 155309918400. Its totient is φ = 23581088000.

The previous prime is 65017265477. The next prime is 65017265501. The reversal of 65017265500 is 556271056.

It is a self number, because there is not a number n which added to its sum of digits gives 65017265500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65017265501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2124306 + ... + 2154694.

It is an arithmetic number, because the mean of its divisors is an integer number (1617811650).

Almost surely, 2^65017265500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65017265500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77654959200).

65017265500 is an abundant number, since it is smaller than the sum of its proper divisors (90292652900).

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

65017265500 is a wasteful number, since it uses less digits than its factorization.

65017265500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30808 (or 30796 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 65017265500 in words is "sixty-five billion, seventeen million, two hundred sixty-five thousand, five hundred".