11170664105 has 4 divisors (see below), whose sum is σ = 13404796932. Its totient is φ = 8936531280.

The previous prime is 11170663997. The next prime is 11170664161. The reversal of 11170664105 is 50146607111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50146607111 = 71 ⋅706290241.

It can be written as a sum of positive squares in 2 ways, for example, as 6512328601 + 4658335504 = 80699^2 + 68252^2 .

It is not a de Polignac number, because 11170664105 - 2²⁴ = 11153886889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117066406 + ... + 1117066415.

It is an arithmetic number, because the mean of its divisors is an integer number (3351199233).

Almost surely, 2^11170664105 is an apocalyptic number.

It is an amenable number.

11170664105 is a deficient number, since it is larger than the sum of its proper divisors (2234132827).

11170664105 is an equidigital number, since it uses as much as digits as its factorization.

11170664105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234132826.

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 11170664105 in words is "eleven billion, one hundred seventy million, six hundred sixty-four thousand, one hundred five".