11061100605505 has 8 divisors (see below), whose sum is σ = 13276934503272. Its totient is φ = 8846471299968.

The previous prime is 11061100605437. The next prime is 11061100605547. The reversal of 11061100605505 is 50550600116011.

It can be written as a sum of positive squares in 4 ways, for example, as 1176515516929 + 9884585088576 = 1084673^2 + 3143976^2 .

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 11061100605505 - 2⁴¹ = 8862077349953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301127854 + ... + 301164583.

It is an arithmetic number, because the mean of its divisors is an integer number (1659616812909).

Almost surely, 2^{11061100605505} is an apocalyptic number.

It is an amenable number.

11061100605505 is a deficient number, since it is larger than the sum of its proper divisors (2215833897767).

11061100605505 is an equidigital number, since it uses as much as digits as its factorization.

11061100605505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602296115.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 11061100605505 in words is "eleven trillion, sixty-one billion, one hundred million, six hundred five thousand, five hundred five".