11112209065773 has 12 divisors (see below), whose sum is σ = 16051846517980. Its totient is φ = 7407734207616.

The previous prime is 11112209065723. The next prime is 11112209065799. The reversal of 11112209065773 is 37756090221111.

It can be written as a sum of positive squares in 2 ways, for example, as 10956907654884 + 155301410889 = 3310122^2 + 394083^2 .

It is not a de Polignac number, because 11112209065773 - 2⁶ = 11112209065709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112209065703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33590386 + ... + 33919587.

Almost surely, 2^{11112209065773} is an apocalyptic number.

It is an amenable number.

11112209065773 is a deficient number, since it is larger than the sum of its proper divisors (4939637452207).

11112209065773 is a wasteful number, since it uses less digits than its factorization.

11112209065773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67528268 (or 67528265 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

Adding to 11112209065773 its reverse (37756090221111), we get a palindrome (48868299286884).

The spelling of 11112209065773 in words is "eleven trillion, one hundred twelve billion, two hundred nine million, sixty-five thousand, seven hundred seventy-three".