11056045171 has 4 divisors (see below), whose sum is σ = 11075408344. Its totient is φ = 11036682000.

The previous prime is 11056045153. The next prime is 11056045177. The reversal of 11056045171 is 17154065011.

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 11056045171 - 2¹⁷ = 11055914099 is a prime.

It is a super-2 number, since 2×11056045171² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11056045177) 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, 9680730 + ... + 9681871.

It is an arithmetic number, because the mean of its divisors is an integer number (2768852086).

Almost surely, 2^11056045171 is an apocalyptic number.

11056045171 is a deficient number, since it is larger than the sum of its proper divisors (19363173).

11056045171 is an equidigital number, since it uses as much as digits as its factorization.

11056045171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19363172.

The product of its (nonzero) digits is 4200, while the sum is 31.

The spelling of 11056045171 in words is "eleven billion, fifty-six million, forty-five thousand, one hundred seventy-one".