13531325534 has 4 divisors (see below), whose sum is σ = 20296988304. Its totient is φ = 6765662766.

The previous prime is 13531325503. The next prime is 13531325567. The reversal of 13531325534 is 43552313531.

It is a happy number.

13531325534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 13531325494 and 13531325503.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3382831382 + ... + 3382831385.

It is an arithmetic number, because the mean of its divisors is an integer number (5074247076).

Almost surely, 2^13531325534 is an apocalyptic number.

13531325534 is a deficient number, since it is larger than the sum of its proper divisors (6765662770).

13531325534 is an equidigital number, since it uses as much as digits as its factorization.

13531325534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765662769.

The product of its digits is 81000, while the sum is 35.

The spelling of 13531325534 in words is "thirteen billion, five hundred thirty-one million, three hundred twenty-five thousand, five hundred thirty-four".