11323111330997 has 2 divisors, whose sum is σ = 11323111330998. Its totient is φ = 11323111330996.

The previous prime is 11323111330963. The next prime is 11323111331023. The reversal of 11323111330997 is 79903311132311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7104815616196 + 4218295714801 = 2665486^2 + 2053849^2 .

It is an emirp because it is prime and its reverse (79903311132311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11323111330997 - 2¹⁸ = 11323111068853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11323111335997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661555665498 + 5661555665499.

It is an arithmetic number, because the mean of its divisors is an integer number (5661555665499).

Almost surely, 2^{11323111330997} is an apocalyptic number.

It is an amenable number.

11323111330997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323111330997 is an equidigital number, since it uses as much as digits as its factorization.

11323111330997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 44.

The spelling of 11323111330997 in words is "eleven trillion, three hundred twenty-three billion, one hundred eleven million, three hundred thirty thousand, nine hundred ninety-seven".