13613578103 has 2 divisors, whose sum is σ = 13613578104. Its totient is φ = 13613578102.

The previous prime is 13613578073. The next prime is 13613578151. The reversal of 13613578103 is 30187531631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13613578103 - 2¹⁴ = 13613561719 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13613578003) by changing a digit.

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 as a sum of consecutive naturals, namely, 6806789051 + 6806789052.

It is an arithmetic number, because the mean of its divisors is an integer number (6806789052).

Almost surely, 2^13613578103 is an apocalyptic number.

13613578103 is a deficient number, since it is larger than the sum of its proper divisors (1).

13613578103 is an equidigital number, since it uses as much as digits as its factorization.

13613578103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 13613578103 in words is "thirteen billion, six hundred thirteen million, five hundred seventy-eight thousand, one hundred three".