1161332331611 has 2 divisors, whose sum is σ = 1161332331612. Its totient is φ = 1161332331610.

The previous prime is 1161332331589. The next prime is 1161332331629.

1161332331611 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1161332331611 is a prime.

It is not a weakly prime, because it can be changed into another prime (1161332331671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580666165805 + 580666165806.

It is an arithmetic number, because the mean of its divisors is an integer number (580666165806).

Almost surely, 2^{1161332331611} is an apocalyptic number.

1161332331611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161332331611 is an equidigital number, since it uses as much as digits as its factorization.

1161332331611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 32.

The spelling of 1161332331611 in words is "one trillion, one hundred sixty-one billion, three hundred thirty-two million, three hundred thirty-one thousand, six hundred eleven".