15225312002 has 8 divisors (see below), whose sum is σ = 23113124496. Its totient is φ = 7520937172.

The previous prime is 15225311947. The next prime is 15225312017. The reversal of 15225312002 is 20021352251.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 45859208 + ... + 45859539.

It is an arithmetic number, because the mean of its divisors is an integer number (2889140562).

Almost surely, 2^15225312002 is an apocalyptic number.

15225312002 is a deficient number, since it is larger than the sum of its proper divisors (7887812494).

15225312002 is an equidigital number, since it uses as much as digits as its factorization.

15225312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91718832.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 15225312002 its reverse (20021352251), we get a palindrome (35246664253).

The spelling of 15225312002 in words is "fifteen billion, two hundred twenty-five million, three hundred twelve thousand, two".