80805550250056 has 24 divisors (see below), whose sum is σ = 160947041051970. Its totient is φ = 38026141293056.

The previous prime is 80805550250053. The next prime is 80805550250083. The reversal of 80805550250056 is 65005205550808.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 79235456044900 + 1570094205156 = 8901430^2 + 1253034^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80805550249991 and 80805550250009.

It is not an unprimeable number, because it can be changed into a prime (80805550250053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17475246445 + ... + 17475251068.

Almost surely, 2^{80805550250056} is an apocalyptic number.

It is an amenable number.

80805550250056 is a deficient number, since it is larger than the sum of its proper divisors (80141490801914).

80805550250056 is a wasteful number, since it uses less digits than its factorization.

80805550250056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34950497553 (or 34950497532 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 49.

The spelling of 80805550250056 in words is "eighty trillion, eight hundred five billion, five hundred fifty million, two hundred fifty thousand, fifty-six".