2105534510063 has 2 divisors, whose sum is σ = 2105534510064. Its totient is φ = 2105534510062.

The previous prime is 2105534510017. The next prime is 2105534510087. The reversal of 2105534510063 is 3600154355012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2105534510063 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 (2105534513063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052767255031 + 1052767255032.

It is an arithmetic number, because the mean of its divisors is an integer number (1052767255032).

Almost surely, 2^{2105534510063} is an apocalyptic number.

2105534510063 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105534510063 is an equidigital number, since it uses as much as digits as its factorization.

2105534510063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 2105534510063 its reverse (3600154355012), we get a palindrome (5705688865075).

The spelling of 2105534510063 in words is "two trillion, one hundred five billion, five hundred thirty-four million, five hundred ten thousand, sixty-three".