13520542103 has 2 divisors, whose sum is σ = 13520542104. Its totient is φ = 13520542102.

The previous prime is 13520542039. The next prime is 13520542121. The reversal of 13520542103 is 30124502531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13520542103 - 2⁶ = 13520542039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13520542163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6760271051 + 6760271052.

It is an arithmetic number, because the mean of its divisors is an integer number (6760271052).

Almost surely, 2^13520542103 is an apocalyptic number.

13520542103 is a deficient number, since it is larger than the sum of its proper divisors (1).

13520542103 is an equidigital number, since it uses as much as digits as its factorization.

13520542103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 13520542103 in words is "thirteen billion, five hundred twenty million, five hundred forty-two thousand, one hundred three".