11142110052481 has 2 divisors, whose sum is σ = 11142110052482. Its totient is φ = 11142110052480.

The previous prime is 11142110052419. The next prime is 11142110052503. The reversal of 11142110052481 is 18425001124111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8069241290881 + 3072868761600 = 2840641^2 + 1752960^2 .

It is a cyclic number.

It is not a de Polignac number, because 11142110052481 - 2¹⁵ = 11142110019713 is a prime.

It is a super-2 number, since 2×11142110052481² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11142110052401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571055026240 + 5571055026241.

It is an arithmetic number, because the mean of its divisors is an integer number (5571055026241).

Almost surely, 2^{11142110052481} is an apocalyptic number.

It is an amenable number.

11142110052481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142110052481 is an equidigital number, since it uses as much as digits as its factorization.

11142110052481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 31.

Adding to 11142110052481 its reverse (18425001124111), we get a palindrome (29567111176592).

The spelling of 11142110052481 in words is "eleven trillion, one hundred forty-two billion, one hundred ten million, fifty-two thousand, four hundred eighty-one".