15648540847 has 8 divisors (see below), whose sum is σ = 16515164160. Its totient is φ = 14786219160.

The previous prime is 15648540833. The next prime is 15648540857. The reversal of 15648540847 is 74804584651.

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

It is a cyclic number.

It is not a de Polignac number, because 15648540847 - 2¹¹ = 15648538799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15648540794 and 15648540803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15648540857) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1067929 + ... + 1082482.

It is an arithmetic number, because the mean of its divisors is an integer number (2064395520).

Almost surely, 2^15648540847 is an apocalyptic number.

15648540847 is a deficient number, since it is larger than the sum of its proper divisors (866623313).

15648540847 is a wasteful number, since it uses less digits than its factorization.

15648540847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150813.

The product of its (nonzero) digits is 4300800, while the sum is 52.

The spelling of 15648540847 in words is "fifteen billion, six hundred forty-eight million, five hundred forty thousand, eight hundred forty-seven".