80528556075 has 24 divisors (see below), whose sum is σ = 145244233536. Its totient is φ = 39044148000.

The previous prime is 80528556071. The next prime is 80528556091. The reversal of 80528556075 is 57065582508.

It is not a de Polignac number, because 80528556075 - 2² = 80528556071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80528556071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48804361 + ... + 48806010.

It is an arithmetic number, because the mean of its divisors is an integer number (6051843064).

Almost surely, 2^80528556075 is an apocalyptic number.

80528556075 is a deficient number, since it is larger than the sum of its proper divisors (64715677461).

80528556075 is a wasteful number, since it uses less digits than its factorization.

80528556075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97610395 (or 97610390 counting only the distinct ones).

The product of its (nonzero) digits is 3360000, while the sum is 51.

The spelling of 80528556075 in words is "eighty billion, five hundred twenty-eight million, five hundred fifty-six thousand, seventy-five".