13681325352 has 32 divisors (see below), whose sum is σ = 34227434880. Its totient is φ = 4557225600.

The previous prime is 13681325341. The next prime is 13681325369. The reversal of 13681325352 is 25352318631.

It is a self number, because there is not a number n which added to its sum of digits gives 13681325352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166149 + ... + 234452.

It is an arithmetic number, because the mean of its divisors is an integer number (1069607340).

Almost surely, 2^13681325352 is an apocalyptic number.

13681325352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13681325352 is an abundant number, since it is smaller than the sum of its proper divisors (20546109528).

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

13681325352 is a wasteful number, since it uses less digits than its factorization.

13681325352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402033 (or 402029 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

It can be divided in two parts, 136813 and 25352, that added together give a triangular number (162165 = T₅₆₉).

The spelling of 13681325352 in words is "thirteen billion, six hundred eighty-one million, three hundred twenty-five thousand, three hundred fifty-two".