13531155530 has 64 divisors (see below), whose sum is σ = 26362195200. Its totient is φ = 4985164800.

The previous prime is 13531155529. The next prime is 13531155551. The reversal of 13531155530 is 3555113531.

It is a happy number.

13531155530 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2672141 + ... + 2677199.

It is an arithmetic number, because the mean of its divisors is an integer number (411909300).

Almost surely, 2^13531155530 is an apocalyptic number.

13531155530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13531155530 is a deficient number, since it is larger than the sum of its proper divisors (12831039670).

13531155530 is a wasteful number, since it uses less digits than its factorization.

13531155530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519.

The product of its (nonzero) digits is 16875, while the sum is 32.

The spelling of 13531155530 in words is "thirteen billion, five hundred thirty-one million, one hundred fifty-five thousand, five hundred thirty".