65043034056 has 432 divisors, whose sum is σ = 239659318080. Its totient is φ = 15592262400.

The previous prime is 65043034033. The next prime is 65043034073.

65043034056 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×65043034056² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 65043034056.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 10303141 + ... + 10309451.

It is an arithmetic number, because the mean of its divisors is an integer number (554766940).

Almost surely, 2^65043034056 is an apocalyptic number.

65043034056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65043034056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119829659040).

65043034056 is an abundant number, since it is smaller than the sum of its proper divisors (174616284024).

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

65043034056 is a wasteful number, since it uses less digits than its factorization.

65043034056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378 (or 6347 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

It can be divided in two parts, 650430 and 34056, that added together give a palindrome (684486).

The spelling of 65043034056 in words is "sixty-five billion, forty-three million, thirty-four thousand, fifty-six".