15543204452 has 12 divisors (see below), whose sum is σ = 28078046976. Its totient is φ = 7520905320.

The previous prime is 15543204449. The next prime is 15543204473. The reversal of 15543204452 is 25440234551.

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, 62674088 + ... + 62674335.

It is an arithmetic number, because the mean of its divisors is an integer number (2339837248).

Almost surely, 2^15543204452 is an apocalyptic number.

It is an amenable number.

15543204452 is a deficient number, since it is larger than the sum of its proper divisors (12534842524).

15543204452 is a wasteful number, since it uses less digits than its factorization.

15543204452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125348458 (or 125348456 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 15543204452 in words is "fifteen billion, five hundred forty-three million, two hundred four thousand, four hundred fifty-two".