1328021143567 has 2 divisors, whose sum is σ = 1328021143568. Its totient is φ = 1328021143566.

The previous prime is 1328021143529. The next prime is 1328021143619. The reversal of 1328021143567 is 7653411208231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1328021143567 - 2¹⁵ = 1328021110799 is a prime.

It is a super-2 number, since 2×1328021143567² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1328021141567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664010571783 + 664010571784.

It is an arithmetic number, because the mean of its divisors is an integer number (664010571784).

Almost surely, 2^{1328021143567} is an apocalyptic number.

1328021143567 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328021143567 is an equidigital number, since it uses as much as digits as its factorization.

1328021143567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 1328021143567 in words is "one trillion, three hundred twenty-eight billion, twenty-one million, one hundred forty-three thousand, five hundred sixty-seven".