6501322061056 has 72 divisors (see below), whose sum is σ = 13044644381888. Its totient is φ = 3233793024000.

The previous prime is 6501322061021. The next prime is 6501322061089. The reversal of 6501322061056 is 6501602231056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124804936 + ... + 124857016.

Almost surely, 2^{6501322061056} 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 6501322061056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6522322190944).

6501322061056 is an abundant number, since it is smaller than the sum of its proper divisors (6543322320832).

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

6501322061056 is a wasteful number, since it uses less digits than its factorization.

6501322061056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54619 (or 54605 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 6501322061056 in words is "six trillion, five hundred one billion, three hundred twenty-two million, sixty-one thousand, fifty-six".