15308540868 has 48 divisors (see below), whose sum is σ = 37850440320. Its totient is φ = 4798953984.

The previous prime is 15308540831. The next prime is 15308540911. The reversal of 15308540868 is 86804580351.

15308540868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 240630 + ... + 297522.

It is an arithmetic number, because the mean of its divisors is an integer number (788550840).

Almost surely, 2^15308540868 is an apocalyptic number.

It is an amenable number.

15308540868 is an abundant number, since it is smaller than the sum of its proper divisors (22541899452).

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

15308540868 is a wasteful number, since it uses less digits than its factorization.

15308540868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58236 (or 58234 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 15308540868 in words is "fifteen billion, three hundred eight million, five hundred forty thousand, eight hundred sixty-eight".