15021245252 has 18 divisors (see below), whose sum is σ = 28464816618. Its totient is φ = 6932882112.

The previous prime is 15021245227. The next prime is 15021245273. The reversal of 15021245252 is 25254212051.

It is a happy number.

15021245252 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 3 ways, for example, as 1279779076 + 13741466176 = 35774^2 + 117224^2 .

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 5 ways as a sum of consecutive naturals, for example, 11109713 + ... + 11111064.

It is an arithmetic number, because the mean of its divisors is an integer number (1581378701).

Almost surely, 2^15021245252 is an apocalyptic number.

It is an amenable number.

15021245252 is a deficient number, since it is larger than the sum of its proper divisors (13443571366).

15021245252 is a wasteful number, since it uses less digits than its factorization.

15021245252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22220807 (or 22220792 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 15021245252 in words is "fifteen billion, twenty-one million, two hundred forty-five thousand, two hundred fifty-two".