11043124042081 has 2 divisors, whose sum is σ = 11043124042082. Its totient is φ = 11043124042080.

The previous prime is 11043124042061. The next prime is 11043124042117. The reversal of 11043124042081 is 18024042134011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10470945261456 + 572178780625 = 3235884^2 + 756425^2 .

It is a cyclic number.

It is not a de Polignac number, because 11043124042081 - 2³⁷ = 10905685088609 is a prime.

It is a super-2 number, since 2×11043124042081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11043124042001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521562021040 + 5521562021041.

It is an arithmetic number, because the mean of its divisors is an integer number (5521562021041).

Almost surely, 2^{11043124042081} is an apocalyptic number.

It is an amenable number.

11043124042081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11043124042081 is an equidigital number, since it uses as much as digits as its factorization.

11043124042081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 31.

Adding to 11043124042081 its reverse (18024042134011), we get a palindrome (29067166176092).

The spelling of 11043124042081 in words is "eleven trillion, forty-three billion, one hundred twenty-four million, forty-two thousand, eighty-one".