11121546641 has 2 divisors, whose sum is σ = 11121546642. Its totient is φ = 11121546640.

The previous prime is 11121546637. The next prime is 11121546647. The reversal of 11121546641 is 14664512111.

11121546641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7973775616 + 3147771025 = 89296^2 + 56105^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121546641 - 2² = 11121546637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11121546598 and 11121546607.

It is not a weakly prime, because it can be changed into another prime (11121546647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560773320 + 5560773321.

It is an arithmetic number, because the mean of its divisors is an integer number (5560773321).

Almost surely, 2^11121546641 is an apocalyptic number.

It is an amenable number.

11121546641 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121546641 is an equidigital number, since it uses as much as digits as its factorization.

11121546641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 32.

The spelling of 11121546641 in words is "eleven billion, one hundred twenty-one million, five hundred forty-six thousand, six hundred forty-one".