80019052625 has 8 divisors (see below), whose sum is σ = 99863777832. Its totient is φ = 64015242000.

The previous prime is 80019052621. The next prime is 80019052627. The reversal of 80019052625 is 52625091008.

It can be written as a sum of positive squares in 4 ways, for example, as 12984146704 + 67034905921 = 113948^2 + 258911^2 .

It is not a de Polignac number, because 80019052625 - 2² = 80019052621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80019052621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320076086 + ... + 320076335.

It is an arithmetic number, because the mean of its divisors is an integer number (12482972229).

Almost surely, 2^80019052625 is an apocalyptic number.

It is an amenable number.

80019052625 is a deficient number, since it is larger than the sum of its proper divisors (19844725207).

80019052625 is an equidigital number, since it uses as much as digits as its factorization.

80019052625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640152436 (or 640152426 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 80019052625 in words is "eighty billion, nineteen million, fifty-two thousand, six hundred twenty-five".