15359884225 has 27 divisors (see below), whose sum is σ = 22162108041. Its totient is φ = 10529517600.

The previous prime is 15359884223. The next prime is 15359884231. The reversal of 15359884225 is 52248895351.

The square root of 15359884225 is 123935.

It is a perfect power (a square), and thus also a powerful number.

15359884225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 755645121 + 14604239104 = 27489^2 + 120848^2 .

It is not a de Polignac number, because 15359884225 - 2¹ = 15359884223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15359884223) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 4335955 + ... + 4339495.

Almost surely, 2^15359884225 is an apocalyptic number.

15359884225 is the 123935-th square number.

15359884225 is the 61968-th centered octagonal number.

It is an amenable number.

15359884225 is a deficient number, since it is larger than the sum of its proper divisors (6802223816).

15359884225 is an frugal number, since it uses more digits than its factorization.

15359884225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106 (or 3553 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 52.

The spelling of 15359884225 in words is "fifteen billion, three hundred fifty-nine million, eight hundred eighty-four thousand, two hundred twenty-five".