1582842551491 has 2 divisors, whose sum is σ = 1582842551492. Its totient is φ = 1582842551490.

The previous prime is 1582842551401. The next prime is 1582842551527. The reversal of 1582842551491 is 1941552482851.

It is a strong prime.

It is an emirp because it is prime and its reverse (1941552482851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1582842551491 - 2¹⁹ = 1582842027203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1582842551401) 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, 791421275745 + 791421275746.

It is an arithmetic number, because the mean of its divisors is an integer number (791421275746).

Almost surely, 2^{1582842551491} is an apocalyptic number.

1582842551491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1582842551491 is an equidigital number, since it uses as much as digits as its factorization.

1582842551491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608000, while the sum is 55.

The spelling of 1582842551491 in words is "one trillion, five hundred eighty-two billion, eight hundred forty-two million, five hundred fifty-one thousand, four hundred ninety-one".