11155244456 has 8 divisors (see below), whose sum is σ = 20916083370. Its totient is φ = 5577622224.

The previous prime is 11155244381. The next prime is 11155244491. The reversal of 11155244456 is 65444255111.

It can be written as a sum of positive squares in only one way, i.e., 10826402500 + 328841956 = 104050^2 + 18134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697202771 + ... + 697202786.

Almost surely, 2^11155244456 is an apocalyptic number.

It is an amenable number.

11155244456 is a deficient number, since it is larger than the sum of its proper divisors (9760838914).

11155244456 is a wasteful number, since it uses less digits than its factorization.

11155244456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394405563 (or 1394405559 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

Adding to 11155244456 its reverse (65444255111), we get a palindrome (76599499567).

The spelling of 11155244456 in words is "eleven billion, one hundred fifty-five million, two hundred forty-four thousand, four hundred fifty-six".