11472515872 has 24 divisors (see below), whose sum is σ = 22596443100. Its totient is φ = 5733736704.

The previous prime is 11472515833. The next prime is 11472515903. The reversal of 11472515872 is 27851527411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11108316816 + 364199056 = 105396^2 + 19084^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3747 + ... + 151522.

Almost surely, 2^11472515872 is an apocalyptic number.

It is an amenable number.

11472515872 is a deficient number, since it is larger than the sum of its proper divisors (11123927228).

11472515872 is a wasteful number, since it uses less digits than its factorization.

11472515872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157588 (or 157580 counting only the distinct ones).

The product of its digits is 156800, while the sum is 43.

The spelling of 11472515872 in words is "eleven billion, four hundred seventy-two million, five hundred fifteen thousand, eight hundred seventy-two".