15312254630225 has 48 divisors (see below), whose sum is σ = 21723740353536. Its totient is φ = 10488183048000.

The previous prime is 15312254630209. The next prime is 15312254630243. The reversal of 15312254630225 is 52203645221351.

It is not a de Polignac number, because 15312254630225 - 2⁴ = 15312254630209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 621653660 + ... + 621678290.

It is an arithmetic number, because the mean of its divisors is an integer number (452577924032).

Almost surely, 2^{15312254630225} is an apocalyptic number.

It is an amenable number.

15312254630225 is a deficient number, since it is larger than the sum of its proper divisors (6411485723311).

15312254630225 is a wasteful number, since it uses less digits than its factorization.

15312254630225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28446 (or 28441 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 15312254630225 its reverse (52203645221351), we get a palindrome (67515899851576).

The spelling of 15312254630225 in words is "fifteen trillion, three hundred twelve billion, two hundred fifty-four million, six hundred thirty thousand, two hundred twenty-five".