13531200512 has 44 divisors (see below), whose sum is σ = 28472869320. Its totient is φ = 6409506816.

The previous prime is 13531200511. The next prime is 13531200547. The reversal of 13531200512 is 21500213531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531200511) 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, 328283 + ... + 367194.

Almost surely, 2^13531200512 is an apocalyptic number.

It is an amenable number.

13531200512 is an abundant number, since it is smaller than the sum of its proper divisors (14941668808).

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

13531200512 is an equidigital number, since it uses as much as digits as its factorization.

13531200512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695516 (or 695498 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 13531200512 in words is "thirteen billion, five hundred thirty-one million, two hundred thousand, five hundred twelve".