15113014225 has 27 divisors (see below), whose sum is σ = 19608694833. Its totient is φ = 11553923040.

The previous prime is 15113014207. The next prime is 15113014291. The reversal of 15113014225 is 52241031151.

The square root of 15113014225 is 122935.

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

15113014225 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 454585041 + 14658429184 = 21321^2 + 121072^2 .

It is not a de Polignac number, because 15113014225 - 2⁵ = 15113014193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15113014225.

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 26 ways as a sum of consecutive naturals, for example, 14136991 + ... + 14138059.

Almost surely, 2^15113014225 is an apocalyptic number.

15113014225 is the 122935-th square number.

15113014225 is the 61468-th centered octagonal number.

It is an amenable number.

15113014225 is a deficient number, since it is larger than the sum of its proper divisors (4495680608).

15113014225 is an frugal number, since it uses more digits than its factorization.

15113014225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Multiplying 15113014225 by its sum of digits (25), we get a square (377825355625 = 614675²).

15113014225 divided by its sum of digits (25) gives a square (604520569 = 24587²).

Adding to 15113014225 its reverse (52241031151), we get a palindrome (67354045376).

The spelling of 15113014225 in words is "fifteen billion, one hundred thirteen million, fourteen thousand, two hundred twenty-five".