11045565839169 has 27 divisors (see below), whose sum is σ = 16524272169769. Its totient is φ = 7109603390400.

The previous prime is 11045565839083. The next prime is 11045565839183. The reversal of 11045565839169 is 96193856554011.

The square root of 11045565839169 is 3323487.

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

11045565839169 is a `hidden beast` number, since 1 + 1 + 0 + 4 + 5 + 565 + 8 + 3 + 9 + 1 + 69 = 666.

11045565839169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 89333438769 + 10956232400400 = 298887^2 + 3310020^2 .

It is not a de Polignac number, because 11045565839169 - 2¹³ = 11045565830977 is a prime.

It is a super-2 number, since 2×11045565839169² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11045565849169) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 289124269 + ... + 289162469.

Almost surely, 2^{11045565839169} is an apocalyptic number.

11045565839169 is the 3323487-th square number.

11045565839169 is the 1661744-th centered octagonal number.

It is an amenable number.

11045565839169 is a deficient number, since it is larger than the sum of its proper divisors (5478706330600).

11045565839169 is an frugal number, since it uses more digits than its factorization.

11045565839169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76466 (or 38233 counting only the distinct ones).

The product of its (nonzero) digits is 34992000, while the sum is 63.

The spelling of 11045565839169 in words is "eleven trillion, forty-five billion, five hundred sixty-five million, eight hundred thirty-nine thousand, one hundred sixty-nine".