15882438225 has 24 divisors (see below), whose sum is σ = 26332153920. Its totient is φ = 8447024320.

The previous prime is 15882438167. The next prime is 15882438259. The reversal of 15882438225 is 52283428851.

It is a happy number.

15882438225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15882438225 - 2⁷ = 15882438097 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268014 + ... + 321863.

It is an arithmetic number, because the mean of its divisors is an integer number (1097173080).

Almost surely, 2^15882438225 is an apocalyptic number.

15882438225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15882438225 is a deficient number, since it is larger than the sum of its proper divisors (10449715695).

15882438225 is a wasteful number, since it uses less digits than its factorization.

15882438225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590249 (or 590244 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 48.

The spelling of 15882438225 in words is "fifteen billion, eight hundred eighty-two million, four hundred thirty-eight thousand, two hundred twenty-five".