13533543512 has 8 divisors (see below), whose sum is σ = 25375394100. Its totient is φ = 6766771752.

The previous prime is 13533543469. The next prime is 13533543521. The reversal of 13533543512 is 21534533531.

It is a happy number.

13533543512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 845846462 + ... + 845846477.

Almost surely, 2^13533543512 is an apocalyptic number.

It is an amenable number.

13533543512 is a deficient number, since it is larger than the sum of its proper divisors (11841850588).

13533543512 is a wasteful number, since it uses less digits than its factorization.

13533543512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691692945 (or 1691692941 counting only the distinct ones).

The product of its digits is 81000, while the sum is 35.

The spelling of 13533543512 in words is "thirteen billion, five hundred thirty-three million, five hundred forty-three thousand, five hundred twelve".