11009169217 has 4 divisors (see below), whose sum is σ = 11051029440. Its totient is φ = 10967308996.

The previous prime is 11009169211. The next prime is 11009169271. The reversal of 11009169217 is 71296190011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71296190011 = 47 ⋅1516940213.

It is a cyclic number.

It is not a de Polignac number, because 11009169217 - 2²⁷ = 10874951489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11009169211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20929717 + ... + 20930242.

It is an arithmetic number, because the mean of its divisors is an integer number (2762757360).

Almost surely, 2^11009169217 is an apocalyptic number.

It is an amenable number.

11009169217 is a deficient number, since it is larger than the sum of its proper divisors (41860223).

11009169217 is an equidigital number, since it uses as much as digits as its factorization.

11009169217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41860222.

The product of its (nonzero) digits is 6804, while the sum is 37.

The spelling of 11009169217 in words is "eleven billion, nine million, one hundred sixty-nine thousand, two hundred seventeen".