13124105503 has 2 divisors, whose sum is σ = 13124105504. Its totient is φ = 13124105502.

The previous prime is 13124105479. The next prime is 13124105507. The reversal of 13124105503 is 30550142131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13124105503 - 2⁹ = 13124104991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13124105507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562052751 + 6562052752.

It is an arithmetic number, because the mean of its divisors is an integer number (6562052752).

Almost surely, 2^13124105503 is an apocalyptic number.

13124105503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13124105503 is an equidigital number, since it uses as much as digits as its factorization.

13124105503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 13124105503 its reverse (30550142131), we get a palindrome (43674247634).

The spelling of 13124105503 in words is "thirteen billion, one hundred twenty-four million, one hundred five thousand, five hundred three".