1005252101543 has 2 divisors, whose sum is σ = 1005252101544. Its totient is φ = 1005252101542.

The previous prime is 1005252101429. The next prime is 1005252101551. The reversal of 1005252101543 is 3451012525001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005252101543 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 (1005252101563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502626050771 + 502626050772.

It is an arithmetic number, because the mean of its divisors is an integer number (502626050772).

Almost surely, 2^{1005252101543} is an apocalyptic number.

1005252101543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005252101543 is an equidigital number, since it uses as much as digits as its factorization.

1005252101543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 1005252101543 its reverse (3451012525001), we get a palindrome (4456264626544).

The spelling of 1005252101543 in words is "one trillion, five billion, two hundred fifty-two million, one hundred one thousand, five hundred forty-three".