15231502225 has 12 divisors (see below), whose sum is σ = 19114620336. Its totient is φ = 12038390480.

The previous prime is 15231502217. The next prime is 15231502241. The reversal of 15231502225 is 52220513251.

It is not a de Polignac number, because 15231502225 - 2³ = 15231502217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15231502193 and 15231502202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3668167 + ... + 3672316.

It is an arithmetic number, because the mean of its divisors is an integer number (1592885028).

Almost surely, 2^15231502225 is an apocalyptic number.

It is an amenable number.

15231502225 is a deficient number, since it is larger than the sum of its proper divisors (3883118111).

15231502225 is an equidigital number, since it uses as much as digits as its factorization.

15231502225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340576 (or 7340571 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 15231502225 in words is "fifteen billion, two hundred thirty-one million, five hundred two thousand, two hundred twenty-five".