15603827228224 has 63 divisors (see below), whose sum is σ = 31501314730417. Its totient is φ = 7668761351168.

The previous prime is 15603827228221. The next prime is 15603827228261. The reversal of 15603827228224 is 42282272830651.

The square root of 15603827228224 is 3950168.

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

It can be written as a sum of positive squares in only one way, i.e., 11290728988224 + 4313098240000 = 3360168^2 + 2076800^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15603827228221) 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 8 ways as a sum of consecutive naturals, for example, 1864475112 + ... + 1864483480.

Almost surely, 2^{15603827228224} is an apocalyptic number.

15603827228224 is the 3950168-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15603827228224

15603827228224 is an abundant number, since it is smaller than the sum of its proper divisors (15897487502193).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15603827228224 is an frugal number, since it uses more digits than its factorization.

15603827228224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16868 (or 8430 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 52.

The spelling of 15603827228224 in words is "fifteen trillion, six hundred three billion, eight hundred twenty-seven million, two hundred twenty-eight thousand, two hundred twenty-four".