15812487946472 has 16 divisors (see below), whose sum is σ = 33883902742560. Its totient is φ = 6776780548464.

The previous prime is 15812487946417. The next prime is 15812487946483. The reversal of 15812487946472 is 27464978421851.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141182928038 + ... + 141182928149.

It is an arithmetic number, because the mean of its divisors is an integer number (2117743921410).

Almost surely, 2^{15812487946472} is an apocalyptic number.

It is an amenable number.

15812487946472 is an abundant number, since it is smaller than the sum of its proper divisors (18071414796088).

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

15812487946472 is a wasteful number, since it uses less digits than its factorization.

15812487946472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282365856200 (or 282365856196 counting only the distinct ones).

The product of its digits is 216760320, while the sum is 68.

The spelling of 15812487946472 in words is "fifteen trillion, eight hundred twelve billion, four hundred eighty-seven million, nine hundred forty-six thousand, four hundred seventy-two".