13531453512 has 16 divisors (see below), whose sum is σ = 33828633840. Its totient is φ = 4510484496.

The previous prime is 13531453511. The next prime is 13531453543. The reversal of 13531453512 is 21535413531.

It is not an unprimeable number, because it can be changed into a prime (13531453511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281905258 + ... + 281905305.

It is an arithmetic number, because the mean of its divisors is an integer number (2114289615).

Almost surely, 2^13531453512 is an apocalyptic number.

13531453512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13531453512 is an abundant number, since it is smaller than the sum of its proper divisors (20297180328).

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

13531453512 is a wasteful number, since it uses less digits than its factorization.

13531453512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563810572 (or 563810568 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The spelling of 13531453512 in words is "thirteen billion, five hundred thirty-one million, four hundred fifty-three thousand, five hundred twelve".