11111331411329 has 2 divisors, whose sum is σ = 11111331411330. Its totient is φ = 11111331411328.

The previous prime is 11111331411317. The next prime is 11111331411347. The reversal of 11111331411329 is 92311413311111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6071059458304 + 5040271953025 = 2463952^2 + 2245055^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111331411329 - 2¹² = 11111331407233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11111331411295 and 11111331411304.

It is not a weakly prime, because it can be changed into another prime (11111331401329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555665705664 + 5555665705665.

It is an arithmetic number, because the mean of its divisors is an integer number (5555665705665).

Almost surely, 2^{11111331411329} is an apocalyptic number.

It is an amenable number.

11111331411329 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111331411329 is an equidigital number, since it uses as much as digits as its factorization.

11111331411329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 32.

The spelling of 11111331411329 in words is "eleven trillion, one hundred eleven billion, three hundred thirty-one million, four hundred eleven thousand, three hundred twenty-nine".