1285013782027 has 2 divisors, whose sum is σ = 1285013782028. Its totient is φ = 1285013782026.

The previous prime is 1285013781991. The next prime is 1285013782043. The reversal of 1285013782027 is 7202873105821.

It is a strong prime.

It is an emirp because it is prime and its reverse (7202873105821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1285013782027 - 2⁷ = 1285013781899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1285013782067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642506891013 + 642506891014.

It is an arithmetic number, because the mean of its divisors is an integer number (642506891014).

Almost surely, 2^{1285013782027} is an apocalyptic number.

1285013782027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1285013782027 is an equidigital number, since it uses as much as digits as its factorization.

1285013782027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 376320, while the sum is 46.

Adding to 1285013782027 its reverse (7202873105821), we get a palindrome (8487886887848).

The spelling of 1285013782027 in words is "one trillion, two hundred eighty-five billion, thirteen million, seven hundred eighty-two thousand, twenty-seven".