15871147952 has 60 divisors (see below), whose sum is σ = 34586197800. Its totient is φ = 7046350080.

The previous prime is 15871147939. The next prime is 15871148017. The reversal of 15871147952 is 25974117851.

It is a self number, because there is not a number n which added to its sum of digits gives 15871147952.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12077 + ... + 178572.

It is an arithmetic number, because the mean of its divisors is an integer number (576436630).

Almost surely, 2^15871147952 is an apocalyptic number.

It is an amenable number.

15871147952 is an abundant number, since it is smaller than the sum of its proper divisors (18715049848).

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

15871147952 is a wasteful number, since it uses less digits than its factorization.

15871147952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190722 (or 190705 counting only the distinct ones).

The product of its digits is 705600, while the sum is 50.

The spelling of 15871147952 in words is "fifteen billion, eight hundred seventy-one million, one hundred forty-seven thousand, nine hundred fifty-two".