1591158689227 has 2 divisors, whose sum is σ = 1591158689228. Its totient is φ = 1591158689226.

The previous prime is 1591158689207. The next prime is 1591158689321. The reversal of 1591158689227 is 7229868511951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1591158689227 - 2¹¹ = 1591158687179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1591158689207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 795579344613 + 795579344614.

It is an arithmetic number, because the mean of its divisors is an integer number (795579344614).

Almost surely, 2^{1591158689227} is an apocalyptic number.

1591158689227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1591158689227 is an equidigital number, since it uses as much as digits as its factorization.

1591158689227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21772800, while the sum is 64.

The spelling of 1591158689227 in words is "one trillion, five hundred ninety-one billion, one hundred fifty-eight million, six hundred eighty-nine thousand, two hundred twenty-seven".