11512444055 has 16 divisors (see below), whose sum is σ = 15839276544. Its totient is φ = 7868856480.

The previous prime is 11512444043. The next prime is 11512444057. The reversal of 11512444055 is 55044421511.

It is a happy number.

It is not a de Polignac number, because 11512444055 - 2⁸ = 11512443799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11512444057) by changing a digit.

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, 517937 + ... + 539706.

It is an arithmetic number, because the mean of its divisors is an integer number (989954784).

Almost surely, 2^11512444055 is an apocalyptic number.

11512444055 is a deficient number, since it is larger than the sum of its proper divisors (4326832489).

11512444055 is a wasteful number, since it uses less digits than its factorization.

11512444055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057966.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 11512444055 its reverse (55044421511), we get a palindrome (66556865566).

The spelling of 11512444055 in words is "eleven billion, five hundred twelve million, four hundred forty-four thousand, fifty-five".