80715081056256 has 912 divisors, whose sum is σ = 255573554745600. Its totient is φ = 25404974825472.

The previous prime is 80715081056231. The next prime is 80715081056353. The reversal of 80715081056256 is 65265018051708.

80715081056256 is a `hidden beast` number, since 8 + 0 + 7 + 1 + 5 + 0 + 8 + 1 + 0 + 5 + 625 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130395930315 + ... + 130395930933.

Almost surely, 2^{80715081056256} 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 80715081056256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127786777372800).

80715081056256 is an abundant number, since it is smaller than the sum of its proper divisors (174858473689344).

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

80715081056256 is an frugal number, since it uses more digits than its factorization.

80715081056256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 54.

The spelling of 80715081056256 in words is "eighty trillion, seven hundred fifteen billion, eighty-one million, fifty-six thousand, two hundred fifty-six".