11512444056 has 32 divisors (see below), whose sum is σ = 29104498800. Its totient is φ = 3794362880.

The previous prime is 11512444043. The next prime is 11512444057. The reversal of 11512444056 is 65044421511.

11512444056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11512444056² (a number of 21 digits) contains 22 as substring.

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2692725 + ... + 2696996.

Almost surely, 2^11512444056 is an apocalyptic number.

It is an amenable number.

11512444056 is an abundant number, since it is smaller than the sum of its proper divisors (17592054744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11512444056 is a wasteful number, since it uses less digits than its factorization.

11512444056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5389819 (or 5389815 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 11512444056 its reverse (65044421511), we get a palindrome (76556865567).

The spelling of 11512444056 in words is "eleven billion, five hundred twelve million, four hundred forty-four thousand, fifty-six".