11005444205 has 16 divisors (see below), whose sum is σ = 15104826624. Its totient is φ = 7540767360.

The previous prime is 11005444193. The next prime is 11005444217. The reversal of 11005444205 is 50244450011.

It is an interprime number because it is at equal distance from previous prime (11005444193) and next prime (11005444217).

It is not a de Polignac number, because 11005444205 - 2¹² = 11005440109 is a prime.

It is a super-2 number, since 2×11005444205² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75056 + ... + 166265.

It is an arithmetic number, because the mean of its divisors is an integer number (944051664).

Almost surely, 2^11005444205 is an apocalyptic number.

It is an amenable number.

11005444205 is a deficient number, since it is larger than the sum of its proper divisors (4099382419).

11005444205 is a wasteful number, since it uses less digits than its factorization.

11005444205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242636.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 11005444205 its reverse (50244450011), we get a palindrome (61249894216).

The spelling of 11005444205 in words is "eleven billion, five million, four hundred forty-four thousand, two hundred five".