13543052520 has 32 divisors (see below), whose sum is σ = 40629157920. Its totient is φ = 3611480640.

The previous prime is 13543052477. The next prime is 13543052531. The reversal of 13543052520 is 2525034531.

13543052520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56429266 + ... + 56429505.

It is an arithmetic number, because the mean of its divisors is an integer number (1269661185).

Almost surely, 2^13543052520 is an apocalyptic number.

13543052520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13543052520 is an abundant number, since it is smaller than the sum of its proper divisors (27086105400).

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

13543052520 is a wasteful number, since it uses less digits than its factorization.

13543052520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112858785 (or 112858781 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 13543052520 in words is "thirteen billion, five hundred forty-three million, fifty-two thousand, five hundred twenty".