11081746121 has 2 divisors, whose sum is σ = 11081746122. Its totient is φ = 11081746120.

The previous prime is 11081746073. The next prime is 11081746141. The reversal of 11081746121 is 12164718011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10740420496 + 341325625 = 103636^2 + 18475^2 .

It is a cyclic number.

It is not a de Polignac number, because 11081746121 - 2¹⁰ = 11081745097 is a prime.

It is not a weakly prime, because it can be changed into another prime (11081746141) 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, 5540873060 + 5540873061.

It is an arithmetic number, because the mean of its divisors is an integer number (5540873061).

Almost surely, 2^11081746121 is an apocalyptic number.

It is an amenable number.

11081746121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11081746121 is an equidigital number, since it uses as much as digits as its factorization.

11081746121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 32.

The spelling of 11081746121 in words is "eleven billion, eighty-one million, seven hundred forty-six thousand, one hundred twenty-one".