2105130440503 has 2 divisors, whose sum is σ = 2105130440504. Its totient is φ = 2105130440502.

The previous prime is 2105130440467. The next prime is 2105130440533. The reversal of 2105130440503 is 3050440315012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2105130440503 - 2²⁹ = 2104593569591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105130440533) 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, 1052565220251 + 1052565220252.

It is an arithmetic number, because the mean of its divisors is an integer number (1052565220252).

Almost surely, 2^{2105130440503} is an apocalyptic number.

2105130440503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105130440503 is an equidigital number, since it uses as much as digits as its factorization.

2105130440503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 2105130440503 its reverse (3050440315012), we get a palindrome (5155570755515).

The spelling of 2105130440503 in words is "two trillion, one hundred five billion, one hundred thirty million, four hundred forty thousand, five hundred three".