11005005060605 has 4 divisors (see below), whose sum is σ = 13206006072732. Its totient is φ = 8804004048480.

The previous prime is 11005005060589. The next prime is 11005005060607. The reversal of 11005005060605 is 50606050050011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8692838483044 + 2312166577561 = 2948362^2 + 1520581^2 .

It is not a de Polignac number, because 11005005060605 - 2⁴ = 11005005060589 is a prime.

It is a super-2 number, since 2×11005005060605² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11005005060607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100500506056 + ... + 1100500506065.

It is an arithmetic number, because the mean of its divisors is an integer number (3301501518183).

Almost surely, 2^{11005005060605} is an apocalyptic number.

It is an amenable number.

11005005060605 is a deficient number, since it is larger than the sum of its proper divisors (2201001012127).

11005005060605 is an equidigital number, since it uses as much as digits as its factorization.

11005005060605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201001012126.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 11005005060605 in words is "eleven trillion, five billion, five million, sixty thousand, six hundred five".