13531042735120 has 40 divisors (see below), whose sum is σ = 32474502570240. Its totient is φ = 5237822993280.

The previous prime is 13531042735099. The next prime is 13531042735121. The reversal of 13531042735120 is 2153724013531.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 13531042735120.

It is not an unprimeable number, because it can be changed into a prime (13531042735121) 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, 2728030330 + ... + 2728035289.

It is an arithmetic number, because the mean of its divisors is an integer number (811862564256).

Almost surely, 2^{13531042735120} is an apocalyptic number.

13531042735120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13531042735120 is an abundant number, since it is smaller than the sum of its proper divisors (18943459835120).

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

13531042735120 is a wasteful number, since it uses less digits than its factorization.

13531042735120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456065663 (or 5456065657 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

Adding to 13531042735120 its reverse (2153724013531), we get a palindrome (15684766748651).

The spelling of 13531042735120 in words is "thirteen trillion, five hundred thirty-one billion, forty-two million, seven hundred thirty-five thousand, one hundred twenty".