15989347481228 has 48 divisors (see below), whose sum is σ = 31325176068480. Its totient is φ = 7078024924800.

The previous prime is 15989347481227. The next prime is 15989347481281. The reversal of 15989347481228 is 82218474398951.

15989347481228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15989347481227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6855818 + ... + 8887121.

It is an arithmetic number, because the mean of its divisors is an integer number (652607834760).

Almost surely, 2^{15989347481228} is an apocalyptic number.

It is an amenable number.

15989347481228 is a deficient number, since it is larger than the sum of its proper divisors (15335828587252).

15989347481228 is a wasteful number, since it uses less digits than its factorization.

15989347481228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15743558 (or 15743556 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 71.

The spelling of 15989347481228 in words is "fifteen trillion, nine hundred eighty-nine billion, three hundred forty-seven million, four hundred eighty-one thousand, two hundred twenty-eight".