80503844053 has 4 divisors (see below), whose sum is σ = 82679623660. Its totient is φ = 78328064448.

The previous prime is 80503844051. The next prime is 80503844077. The reversal of 80503844053 is 35044830508.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28739403729 + 51764440324 = 169527^2 + 227518^2 .

It is a cyclic number.

It is not a de Polignac number, because 80503844053 - 2¹ = 80503844051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80503843997 and 80503844015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80503844051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087889748 + ... + 1087889821.

It is an arithmetic number, because the mean of its divisors is an integer number (20669905915).

Almost surely, 2^80503844053 is an apocalyptic number.

It is an amenable number.

80503844053 is a deficient number, since it is larger than the sum of its proper divisors (2175779607).

80503844053 is a wasteful number, since it uses less digits than its factorization.

80503844053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175779606.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 80503844053 in words is "eighty billion, five hundred three million, eight hundred forty-four thousand, fifty-three".