11311123231337 has 2 divisors, whose sum is σ = 11311123231338. Its totient is φ = 11311123231336.

The previous prime is 11311123231321. The next prime is 11311123231361. The reversal of 11311123231337 is 73313232111311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11293524821056 + 17598410281 = 3360584^2 + 132659^2 .

It is a cyclic number.

It is not a de Polignac number, because 11311123231337 - 2⁴ = 11311123231321 is a prime.

It is not a weakly prime, because it can be changed into another prime (11311123233337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655561615668 + 5655561615669.

It is an arithmetic number, because the mean of its divisors is an integer number (5655561615669).

Almost surely, 2^{11311123231337} is an apocalyptic number.

It is an amenable number.

11311123231337 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311123231337 is an equidigital number, since it uses as much as digits as its factorization.

11311123231337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 32.

Adding to 11311123231337 its reverse (73313232111311), we get a palindrome (84624355342648).

The spelling of 11311123231337 in words is "eleven trillion, three hundred eleven billion, one hundred twenty-three million, two hundred thirty-one thousand, three hundred thirty-seven".