15384854518 has 12 divisors (see below), whose sum is σ = 25365938220. Its totient is φ = 6993115580.

The previous prime is 15384854483. The next prime is 15384854533. The reversal of 15384854518 is 81545848351.

It is a happy number.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 31786648 + ... + 31787131.

It is an arithmetic number, because the mean of its divisors is an integer number (2113828185).

Almost surely, 2^15384854518 is an apocalyptic number.

15384854518 is a deficient number, since it is larger than the sum of its proper divisors (9981083702).

15384854518 is a wasteful number, since it uses less digits than its factorization.

15384854518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63573803 (or 63573792 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 52.

The spelling of 15384854518 in words is "fifteen billion, three hundred eighty-four million, eight hundred fifty-four thousand, five hundred eighteen".