80915245056 has 192 divisors, whose sum is σ = 247960440000. Its totient is φ = 26041171968.

The previous prime is 80915245051. The next prime is 80915245057. The reversal of 80915245056 is 65054251908.

80915245056 is a `hidden beast` number, since 8 + 0 + 91 + 52 + 4 + 505 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80915245051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1578355 + ... + 1628813.

It is an arithmetic number, because the mean of its divisors is an integer number (1291460625).

Almost surely, 2^80915245056 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 80915245056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123980220000).

80915245056 is an abundant number, since it is smaller than the sum of its proper divisors (167045194944).

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

80915245056 is a wasteful number, since it uses less digits than its factorization.

80915245056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50519 (or 50493 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 80915245056 in words is "eighty billion, nine hundred fifteen million, two hundred forty-five thousand, fifty-six".