15842604451172 has 24 divisors (see below), whose sum is σ = 27849228521184. Its totient is φ = 7885688373632.

The previous prime is 15842604451153. The next prime is 15842604451189. The reversal of 15842604451172 is 27115440624851.

It is a self number, because there is not a number n which added to its sum of digits gives 15842604451172.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9250763 + ... + 10828749.

It is an arithmetic number, because the mean of its divisors is an integer number (1160384521716).

Almost surely, 2^{15842604451172} is an apocalyptic number.

It is an amenable number.

15842604451172 is a deficient number, since it is larger than the sum of its proper divisors (12006624070012).

15842604451172 is a wasteful number, since it uses less digits than its factorization.

15842604451172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589275 (or 1589273 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 15842604451172 in words is "fifteen trillion, eight hundred forty-two billion, six hundred four million, four hundred fifty-one thousand, one hundred seventy-two".