11001100060561 has 8 divisors (see below), whose sum is σ = 11980454691240. Its totient is φ = 10040762024832.

The previous prime is 11001100060553. The next prime is 11001100060589. The reversal of 11001100060561 is 16506000110011.

It can be written as a sum of positive squares in 4 ways, for example, as 52512472336 + 10948587588225 = 229156^2 + 3308865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11001100060561 - 2³ = 11001100060553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001100060591) 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 in 7 ways as a sum of consecutive naturals, for example, 4754147530 + ... + 4754149843.

It is an arithmetic number, because the mean of its divisors is an integer number (1497556836405).

Almost surely, 2^{11001100060561} is an apocalyptic number.

It is an amenable number.

11001100060561 is a deficient number, since it is larger than the sum of its proper divisors (979354630679).

11001100060561 is an equidigital number, since it uses as much as digits as its factorization.

11001100060561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9508297475.

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 11001100060561 its reverse (16506000110011), we get a palindrome (27507100170572).

The spelling of 11001100060561 in words is "eleven trillion, one billion, one hundred million, sixty thousand, five hundred sixty-one".