80541280512 has 432 divisors, whose sum is σ = 292831943040. Its totient is φ = 20680704000.

The previous prime is 80541280499. The next prime is 80541280517. The reversal of 80541280512 is 21508214508.

80541280512 is a `hidden beast` number, since 8 + 0 + 54 + 12 + 80 + 512 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (80541280517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15786762 + ... + 15791862.

It is an arithmetic number, because the mean of its divisors is an integer number (677851720).

Almost surely, 2^80541280512 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 80541280512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146415971520).

80541280512 is an abundant number, since it is smaller than the sum of its proper divisors (212290662528).

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

80541280512 is a wasteful number, since it uses less digits than its factorization.

80541280512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5230 (or 5213 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The spelling of 80541280512 in words is "eighty billion, five hundred forty-one million, two hundred eighty thousand, five hundred twelve".