15315344652 has 24 divisors (see below), whose sum is σ = 35975646000. Its totient is φ = 5070851776.

The previous prime is 15315344579. The next prime is 15315344683. The reversal of 15315344652 is 25644351351.

It is a happy number.

15315344652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×15315344652³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 15315344652.

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 7 ways as a sum of consecutive naturals, for example, 4281027 + ... + 4284602.

It is an arithmetic number, because the mean of its divisors is an integer number (1498985250).

Almost surely, 2^15315344652 is an apocalyptic number.

15315344652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15315344652 is an abundant number, since it is smaller than the sum of its proper divisors (20660301348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15315344652 is a wasteful number, since it uses less digits than its factorization.

15315344652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8565785 (or 8565783 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The spelling of 15315344652 in words is "fifteen billion, three hundred fifteen million, three hundred forty-four thousand, six hundred fifty-two".