80505275327503 has 16 divisors (see below), whose sum is σ = 87103345029120. Its totient is φ = 73965289802976.

The previous prime is 80505275327497. The next prime is 80505275327537. The reversal of 80505275327503 is 30572357250508.

It is not a de Polignac number, because 80505275327503 - 2²⁹ = 80504738456591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80505275321503) 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 15 ways as a sum of consecutive naturals, for example, 7307026 + ... + 14642512.

It is an arithmetic number, because the mean of its divisors is an integer number (5443959064320).

Almost surely, 2^{80505275327503} is an apocalyptic number.

80505275327503 is a deficient number, since it is larger than the sum of its proper divisors (6598069701617).

80505275327503 is a wasteful number, since it uses less digits than its factorization.

80505275327503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7339446.

The product of its (nonzero) digits is 8820000, while the sum is 52.

The spelling of 80505275327503 in words is "eighty trillion, five hundred five billion, two hundred seventy-five million, three hundred twenty-seven thousand, five hundred three".