11056036361665 has 4 divisors (see below), whose sum is σ = 13267243634004. Its totient is φ = 8844829089328.

The previous prime is 11056036361663. The next prime is 11056036361687. The reversal of 11056036361665 is 56616363065011.

11056036361665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8665793587984 + 2390242773681 = 2943772^2 + 1546041^2 .

It is a cyclic number.

It is not a de Polignac number, because 11056036361665 - 2¹ = 11056036361663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11056036361663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105603636162 + ... + 1105603636171.

It is an arithmetic number, because the mean of its divisors is an integer number (3316810908501).

Almost surely, 2^{11056036361665} is an apocalyptic number.

It is an amenable number.

11056036361665 is a deficient number, since it is larger than the sum of its proper divisors (2211207272339).

11056036361665 is an equidigital number, since it uses as much as digits as its factorization.

11056036361665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211207272338.

The product of its (nonzero) digits is 1749600, while the sum is 49.

The spelling of 11056036361665 in words is "eleven trillion, fifty-six billion, thirty-six million, three hundred sixty-one thousand, six hundred sixty-five".