11034872209 has 9 divisors (see below), whose sum is σ = 11195885883. Its totient is φ = 10876146192.

The previous prime is 11034872203. The next prime is 11034872221. The reversal of 11034872209 is 90227843011.

The square root of 11034872209 is 105047.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6263931025 + 4770941184 = 79145^2 + 69072^2 .

It is not a de Polignac number, because 11034872209 - 2¹⁵ = 11034839441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11034872203) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7667712 + ... + 7669150.

Almost surely, 2^11034872209 is an apocalyptic number.

11034872209 is the 105047-th square number.

11034872209 is the 52524-th centered octagonal number.

It is an amenable number.

11034872209 is a deficient number, since it is larger than the sum of its proper divisors (161013674).

11034872209 is an frugal number, since it uses more digits than its factorization.

11034872209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 11034872209 in words is "eleven billion, thirty-four million, eight hundred seventy-two thousand, two hundred nine".