80303055503 has 16 divisors (see below), whose sum is σ = 89692821504. Its totient is φ = 71269371360.

The previous prime is 80303055493. The next prime is 80303055529. The reversal of 80303055503 is 30555030308.

It is not a de Polignac number, because 80303055503 - 2¹⁶ = 80302989967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80303055503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80303055583) 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, 9626 + ... + 400872.

It is an arithmetic number, because the mean of its divisors is an integer number (5605801344).

Almost surely, 2^80303055503 is an apocalyptic number.

80303055503 is a deficient number, since it is larger than the sum of its proper divisors (9389766001).

80303055503 is a wasteful number, since it uses less digits than its factorization.

80303055503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391702.

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 80303055503 in words is "eighty billion, three hundred three million, fifty-five thousand, five hundred three".