13500052443320 has 32 divisors (see below), whose sum is σ = 32161889646000. Its totient is φ = 5082372684288.

The previous prime is 13500052443307. The next prime is 13500052443329. The reversal of 13500052443320 is 2334425000531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13500052443329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9926508470 + ... + 9926509829.

Almost surely, 2^{13500052443320} is an apocalyptic number.

13500052443320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13500052443320 is an abundant number, since it is smaller than the sum of its proper divisors (18661837202680).

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

13500052443320 is a wasteful number, since it uses less digits than its factorization.

13500052443320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19853018327 (or 19853018323 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 13500052443320 its reverse (2334425000531), we get a palindrome (15834477443851).

The spelling of 13500052443320 in words is "thirteen trillion, five hundred billion, fifty-two million, four hundred forty-three thousand, three hundred twenty".