13503155530 has 16 divisors (see below), whose sum is σ = 24337300680. Its totient is φ = 5394235392.

The previous prime is 13503155527. The next prime is 13503155551. The reversal of 13503155530 is 3555130531.

It is a happy number.

13503155530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8994435921 + 4508719609 = 94839^2 + 67147^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13503155492 and 13503155501.

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, 870279 + ... + 885658.

Almost surely, 2^13503155530 is an apocalyptic number.

13503155530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13503155530 is a deficient number, since it is larger than the sum of its proper divisors (10834145150).

13503155530 is a wasteful number, since it uses less digits than its factorization.

13503155530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756713.

The product of its (nonzero) digits is 16875, while the sum is 31.

The spelling of 13503155530 in words is "thirteen billion, five hundred three million, one hundred fifty-five thousand, five hundred thirty".