80831807125 has 16 divisors (see below), whose sum is σ = 100886428656. Its totient is φ = 64660104000.

The previous prime is 80831807123. The next prime is 80831807129. The reversal of 80831807125 is 52170813808.

It can be written as a sum of positive squares in 8 ways, for example, as 17025552324 + 63806254801 = 130482^2 + 252599^2 .

It is not a de Polignac number, because 80831807125 - 2¹ = 80831807123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80831807123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2300187 + ... + 2335063.

It is an arithmetic number, because the mean of its divisors is an integer number (6305401791).

Almost surely, 2^80831807125 is an apocalyptic number.

It is an amenable number.

80831807125 is a deficient number, since it is larger than the sum of its proper divisors (20054621531).

80831807125 is a wasteful number, since it uses less digits than its factorization.

80831807125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53433 (or 53423 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 43.

The spelling of 80831807125 in words is "eighty billion, eight hundred thirty-one million, eight hundred seven thousand, one hundred twenty-five".