15871430144 has 40 divisors (see below), whose sum is σ = 31731225768. Its totient is φ = 7930869760.

The previous prime is 15871430143. The next prime is 15871430147. The reversal of 15871430144 is 44103417851.

It is a junction number, because it is equal to n+sod(n) for n = 15871430098 and 15871430107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15871430143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918674 + ... + 935790.

Almost surely, 2^15871430144 is an apocalyptic number.

It is an amenable number.

15871430144 is a deficient number, since it is larger than the sum of its proper divisors (15859795624).

15871430144 is an equidigital number, since it uses as much as digits as its factorization.

15871430144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18946 (or 18930 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

Adding to 15871430144 its reverse (44103417851), we get a palindrome (59974847995).

The spelling of 15871430144 in words is "fifteen billion, eight hundred seventy-one million, four hundred thirty thousand, one hundred forty-four".