13103603064320 has 160 divisors (see below), whose sum is σ = 31987498561920. Its totient is φ = 5147049000960.

The previous prime is 13103603064317. The next prime is 13103603064337. The reversal of 13103603064320 is 2346030630131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42642425 + ... + 42948615.

It is an arithmetic number, because the mean of its divisors is an integer number (199921866012).

Almost surely, 2^{13103603064320} is an apocalyptic number.

13103603064320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13103603064320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15993749280960).

13103603064320 is an abundant number, since it is smaller than the sum of its proper divisors (18883895497600).

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

13103603064320 is an equidigital number, since it uses as much as digits as its factorization.

13103603064320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306516 (or 306500 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 13103603064320 its reverse (2346030630131), we get a palindrome (15449633694451).

The spelling of 13103603064320 in words is "thirteen trillion, one hundred three billion, six hundred three million, sixty-four thousand, three hundred twenty".