80128308625 has 32 divisors (see below), whose sum is σ = 103842984960. Its totient is φ = 61656145600.

The previous prime is 80128308613. The next prime is 80128308629. The reversal of 80128308625 is 52680382108.

It is not a de Polignac number, because 80128308625 - 2⁵ = 80128308593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80128308629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 911352 + ... + 995398.

It is an arithmetic number, because the mean of its divisors is an integer number (3245093280).

Almost surely, 2^80128308625 is an apocalyptic number.

It is an amenable number.

80128308625 is a deficient number, since it is larger than the sum of its proper divisors (23714676335).

80128308625 is a wasteful number, since it uses less digits than its factorization.

80128308625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84354 (or 84344 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 80128308625 in words is "eighty billion, one hundred twenty-eight million, three hundred eight thousand, six hundred twenty-five".