15828273325 has 6 divisors (see below), whose sum is σ = 19627058954. Its totient is φ = 12662618640.

The previous prime is 15828273319. The next prime is 15828273359. The reversal of 15828273325 is 52337282851.

It can be written as a sum of positive squares in 3 ways, for example, as 1463292009 + 14364981316 = 38253^2 + 119854^2 .

It is not a de Polignac number, because 15828273325 - 2¹³ = 15828265133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 316565442 + ... + 316565491.

Almost surely, 2^15828273325 is an apocalyptic number.

It is an amenable number.

15828273325 is a deficient number, since it is larger than the sum of its proper divisors (3798785629).

15828273325 is an equidigital number, since it uses as much as digits as its factorization.

15828273325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633130943 (or 633130938 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The spelling of 15828273325 in words is "fifteen billion, eight hundred twenty-eight million, two hundred seventy-three thousand, three hundred twenty-five".