1170181443397 has 2 divisors, whose sum is σ = 1170181443398. Its totient is φ = 1170181443396.

The previous prime is 1170181443371. The next prime is 1170181443443. The reversal of 1170181443397 is 7933441810711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1168850725956 + 1330717441 = 1081134^2 + 36479^2 .

It is a cyclic number.

It is not a de Polignac number, because 1170181443397 - 2¹⁹ = 1170180919109 is a prime.

It is a super-2 number, since 2×1170181443397² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1170181443397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1170181443797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585090721698 + 585090721699.

It is an arithmetic number, because the mean of its divisors is an integer number (585090721699).

Almost surely, 2^{1170181443397} is an apocalyptic number.

It is an amenable number.

1170181443397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170181443397 is an equidigital number, since it uses as much as digits as its factorization.

1170181443397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 1170181443397 in words is "one trillion, one hundred seventy billion, one hundred eighty-one million, four hundred forty-three thousand, three hundred ninety-seven".