11320315241281 has 2 divisors, whose sum is σ = 11320315241282. Its totient is φ = 11320315241280.

The previous prime is 11320315241219. The next prime is 11320315241359. The reversal of 11320315241281 is 18214251302311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5827198053681 + 5493117187600 = 2413959^2 + 2343740^2 .

It is a cyclic number.

It is not a de Polignac number, because 11320315241281 - 2³³ = 11311725306689 is a prime.

It is a super-2 number, since 2×11320315241281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11320315241881) 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, 5660157620640 + 5660157620641.

It is an arithmetic number, because the mean of its divisors is an integer number (5660157620641).

Almost surely, 2^{11320315241281} is an apocalyptic number.

It is an amenable number.

11320315241281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11320315241281 is an equidigital number, since it uses as much as digits as its factorization.

11320315241281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 34.

Adding to 11320315241281 its reverse (18214251302311), we get a palindrome (29534566543592).

The spelling of 11320315241281 in words is "eleven trillion, three hundred twenty billion, three hundred fifteen million, two hundred forty-one thousand, two hundred eighty-one".