15872871428603 has 24 divisors (see below), whose sum is σ = 18269024353440. Its totient is φ = 13509542108160.

The previous prime is 15872871428597. The next prime is 15872871428621. The reversal of 15872871428603 is 30682417827851.

It is a happy number.

It is not a de Polignac number, because 15872871428603 - 2⁴ = 15872871428587 is a prime.

It is a super-2 number, since 2×15872871428603² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15872871428203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 522307733 + ... + 522338121.

It is an arithmetic number, because the mean of its divisors is an integer number (761209348060).

Almost surely, 2^{15872871428603} is an apocalyptic number.

15872871428603 is a deficient number, since it is larger than the sum of its proper divisors (2396152924837).

15872871428603 is an equidigital number, since it uses as much as digits as its factorization.

15872871428603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34055 (or 33906 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 62.

The spelling of 15872871428603 in words is "fifteen trillion, eight hundred seventy-two billion, eight hundred seventy-one million, four hundred twenty-eight thousand, six hundred three".