1659408689311 has 2 divisors, whose sum is σ = 1659408689312. Its totient is φ = 1659408689310.

The previous prime is 1659408689273. The next prime is 1659408689327. The reversal of 1659408689311 is 1139868049561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1659408689311 - 2¹¹ = 1659408687263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1659408689311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1659408680311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829704344655 + 829704344656.

It is an arithmetic number, because the mean of its divisors is an integer number (829704344656).

Almost surely, 2^{1659408689311} is an apocalyptic number.

1659408689311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1659408689311 is an equidigital number, since it uses as much as digits as its factorization.

1659408689311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11197440, while the sum is 61.

The spelling of 1659408689311 in words is "one trillion, six hundred fifty-nine billion, four hundred eight million, six hundred eighty-nine thousand, three hundred eleven".