80805025832550 has 48 divisors (see below), whose sum is σ = 210943646391360. Its totient is φ = 20413901262240.

The previous prime is 80805025832521. The next prime is 80805025832551. The reversal of 80805025832550 is 5523852050808.

It is a junction number, because it is equal to n+sod(n) for n = 80805025832493 and 80805025832502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80805025832551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14176317472 + ... + 14176323171.

It is an arithmetic number, because the mean of its divisors is an integer number (4394659299820).

Almost surely, 2^{80805025832550} is an apocalyptic number.

80805025832550 is an abundant number, since it is smaller than the sum of its proper divisors (130138620558810).

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

80805025832550 is a wasteful number, since it uses less digits than its factorization.

80805025832550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28352640677 (or 28352640672 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 51.

The spelling of 80805025832550 in words is "eighty trillion, eight hundred five billion, twenty-five million, eight hundred thirty-two thousand, five hundred fifty".