13603106533361 has 4 divisors (see below), whose sum is σ = 13653675702900. Its totient is φ = 13552537363824.

The previous prime is 13603106533283. The next prime is 13603106533381. The reversal of 13603106533361 is 16333560130631.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4073191786225 + 9529914747136 = 2018215^2 + 3087056^2 .

It is a cyclic number.

It is not a de Polignac number, because 13603106533361 - 2¹⁴ = 13603106516977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13603106533381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25284584366 + ... + 25284584903.

It is an arithmetic number, because the mean of its divisors is an integer number (3413418925725).

Almost surely, 2^{13603106533361} is an apocalyptic number.

It is an amenable number.

13603106533361 is a deficient number, since it is larger than the sum of its proper divisors (50569169539).

13603106533361 is an equidigital number, since it uses as much as digits as its factorization.

13603106533361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50569169538.

The product of its (nonzero) digits is 262440, while the sum is 41.

Adding to 13603106533361 its reverse (16333560130631), we get a palindrome (29936666663992).

The spelling of 13603106533361 in words is "thirteen trillion, six hundred three billion, one hundred six million, five hundred thirty-three thousand, three hundred sixty-one".