1164330394481 has 2 divisors, whose sum is σ = 1164330394482. Its totient is φ = 1164330394480.

The previous prime is 1164330394471. The next prime is 1164330394541. The reversal of 1164330394481 is 1844930334611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 792083980081 + 372246414400 = 889991^2 + 610120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1164330394481 is a prime.

It is a super-2 number, since 2×1164330394481² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1164330394441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582165197240 + 582165197241.

It is an arithmetic number, because the mean of its divisors is an integer number (582165197241).

Almost surely, 2^{1164330394481} is an apocalyptic number.

It is an amenable number.

1164330394481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164330394481 is an equidigital number, since it uses as much as digits as its factorization.

1164330394481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 1164330394481 in words is "one trillion, one hundred sixty-four billion, three hundred thirty million, three hundred ninety-four thousand, four hundred eighty-one".