11044343011 has 4 divisors (see below), whose sum is σ = 11893907872. Its totient is φ = 10194778152.

The previous prime is 11044343003. The next prime is 11044343053. The reversal of 11044343011 is 11034344011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11034344011 = 31 ⋅355946581.

It is not a de Polignac number, because 11044343011 - 2³ = 11044343003 is a prime.

It is a super-2 number, since 2×11044343011² (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 (11044343311) 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, 424782411 + ... + 424782436.

It is an arithmetic number, because the mean of its divisors is an integer number (2973476968).

Almost surely, 2^11044343011 is an apocalyptic number.

11044343011 is a deficient number, since it is larger than the sum of its proper divisors (849564861).

11044343011 is an equidigital number, since it uses as much as digits as its factorization.

11044343011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849564860.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11044343011 its reverse (11034344011), we get a palindrome (22078687022).

The spelling of 11044343011 in words is "eleven billion, forty-four million, three hundred forty-three thousand, eleven".