1305435401027 has 2 divisors, whose sum is σ = 1305435401028. Its totient is φ = 1305435401026.

The previous prime is 1305435401009. The next prime is 1305435401033. The reversal of 1305435401027 is 7201045345031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1305435401027 - 2²⁰ = 1305434352451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1305435401047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652717700513 + 652717700514.

It is an arithmetic number, because the mean of its divisors is an integer number (652717700514).

Almost surely, 2^{1305435401027} is an apocalyptic number.

1305435401027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305435401027 is an equidigital number, since it uses as much as digits as its factorization.

1305435401027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 1305435401027 in words is "one trillion, three hundred five billion, four hundred thirty-five million, four hundred one thousand, twenty-seven".