80533396571 has 2 divisors, whose sum is σ = 80533396572. Its totient is φ = 80533396570.

The previous prime is 80533396543. The next prime is 80533396583. The reversal of 80533396571 is 17569333508.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80533396571 is a prime.

It is not a weakly prime, because it can be changed into another prime (80533396501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40266698285 + 40266698286.

It is an arithmetic number, because the mean of its divisors is an integer number (40266698286).

Almost surely, 2^80533396571 is an apocalyptic number.

80533396571 is a deficient number, since it is larger than the sum of its proper divisors (1).

80533396571 is an equidigital number, since it uses as much as digits as its factorization.

80533396571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 80533396571 in words is "eighty billion, five hundred thirty-three million, three hundred ninety-six thousand, five hundred seventy-one".