11105443011 has 8 divisors (see below), whose sum is σ = 15946277200. Its totient is φ = 6834118752.

The previous prime is 11105443003. The next prime is 11105443079. The reversal of 11105443011 is 11034450111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11105443011 - 2³ = 11105443003 is a prime.

It is a super-2 number, since 2×11105443011² (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 (11105443711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142377436 + ... + 142377513.

It is an arithmetic number, because the mean of its divisors is an integer number (1993284650).

Almost surely, 2^11105443011 is an apocalyptic number.

11105443011 is a deficient number, since it is larger than the sum of its proper divisors (4840834189).

11105443011 is a wasteful number, since it uses less digits than its factorization.

11105443011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284754965.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 11105443011 its reverse (11034450111), we get a palindrome (22139893122).

The spelling of 11105443011 in words is "eleven billion, one hundred five million, four hundred forty-three thousand, eleven".