80203000056505 has 8 divisors (see below), whose sum is σ = 96742271571912. Its totient is φ = 63829952375808.

The previous prime is 80203000056499. The next prime is 80203000056551. The reversal of 80203000056505 is 50565000030208.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18735643883961 + 61467356172544 = 4328469^2 + 7840112^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80203000056505 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41555957614 + ... + 41555959543.

It is an arithmetic number, because the mean of its divisors is an integer number (12092783946489).

Almost surely, 2^{80203000056505} is an apocalyptic number.

It is an amenable number.

80203000056505 is a deficient number, since it is larger than the sum of its proper divisors (16539271515407).

80203000056505 is a wasteful number, since it uses less digits than its factorization.

80203000056505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83111917355.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 80203000056505 in words is "eighty trillion, two hundred three billion, fifty-six thousand, five hundred five".