11055545243 has 4 divisors (see below), whose sum is σ = 11111664960. Its totient is φ = 10999425528.

The previous prime is 11055545233. The next prime is 11055545279. The reversal of 11055545243 is 34254555011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34254555011 = 281 ⋅121902331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11055545243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11055545233) 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, 28059563 + ... + 28059956.

It is an arithmetic number, because the mean of its divisors is an integer number (2777916240).

Almost surely, 2^11055545243 is an apocalyptic number.

11055545243 is a deficient number, since it is larger than the sum of its proper divisors (56119717).

11055545243 is an equidigital number, since it uses as much as digits as its factorization.

11055545243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56119716.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 11055545243 in words is "eleven billion, fifty-five million, five hundred forty-five thousand, two hundred forty-three".