11055118399 has 4 divisors (see below), whose sum is σ = 11905512136. Its totient is φ = 10204724664.

The previous prime is 11055118381. The next prime is 11055118409. The reversal of 11055118399 is 99381155011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11055118399 - 2¹³ = 11055110207 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 (11055218399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425196849 + ... + 425196874.

It is an arithmetic number, because the mean of its divisors is an integer number (2976378034).

Almost surely, 2^11055118399 is an apocalyptic number.

11055118399 is a deficient number, since it is larger than the sum of its proper divisors (850393737).

11055118399 is an equidigital number, since it uses as much as digits as its factorization.

11055118399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850393736.

The product of its (nonzero) digits is 48600, while the sum is 43.

The spelling of 11055118399 in words is "eleven billion, fifty-five million, one hundred eighteen thousand, three hundred ninety-nine".