13105545412103 has 2 divisors, whose sum is σ = 13105545412104. Its totient is φ = 13105545412102.

The previous prime is 13105545412087. The next prime is 13105545412117. The reversal of 13105545412103 is 30121454550131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13105545412103 - 2⁴ = 13105545412087 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 (13105545417103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6552772706051 + 6552772706052.

It is an arithmetic number, because the mean of its divisors is an integer number (6552772706052).

Almost surely, 2^{13105545412103} is an apocalyptic number.

13105545412103 is a deficient number, since it is larger than the sum of its proper divisors (1).

13105545412103 is an equidigital number, since it uses as much as digits as its factorization.

13105545412103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 13105545412103 its reverse (30121454550131), we get a palindrome (43226999962234).

The spelling of 13105545412103 in words is "thirteen trillion, one hundred five billion, five hundred forty-five million, four hundred twelve thousand, one hundred three".