15321050252 has 6 divisors (see below), whose sum is σ = 26811837948. Its totient is φ = 7660525124.

The previous prime is 15321050167. The next prime is 15321050263. The reversal of 15321050252 is 25205012351.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1915131278 + ... + 1915131285.

It is an arithmetic number, because the mean of its divisors is an integer number (4468639658).

Almost surely, 2^15321050252 is an apocalyptic number.

It is an amenable number.

15321050252 is a deficient number, since it is larger than the sum of its proper divisors (11490787696).

15321050252 is a wasteful number, since it uses less digits than its factorization.

15321050252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830262567 (or 3830262565 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 15321050252 in words is "fifteen billion, three hundred twenty-one million, fifty thousand, two hundred fifty-two".