80255128502 has 4 divisors (see below), whose sum is σ = 120382692756. Its totient is φ = 40127564250.

The previous prime is 80255128501. The next prime is 80255128511. The reversal of 80255128502 is 20582155208.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80255128501) 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 as a sum of consecutive naturals, namely, 20063782124 + ... + 20063782127.

It is an arithmetic number, because the mean of its divisors is an integer number (30095673189).

Almost surely, 2^80255128502 is an apocalyptic number.

80255128502 is a deficient number, since it is larger than the sum of its proper divisors (40127564254).

80255128502 is a wasteful number, since it uses less digits than its factorization.

80255128502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40127564253.

The product of its (nonzero) digits is 64000, while the sum is 38.

The spelling of 80255128502 in words is "eighty billion, two hundred fifty-five million, one hundred twenty-eight thousand, five hundred two".