11123768532 has 48 divisors (see below), whose sum is σ = 26415334400. Its totient is φ = 3642531552.

The previous prime is 11123768531. The next prime is 11123768549. The reversal of 11123768532 is 23586732111.

It is a happy number.

11123768532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123768531) 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 15 ways as a sum of consecutive naturals, for example, 276219 + ... + 313917.

Almost surely, 2^11123768532 is an apocalyptic number.

11123768532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11123768532 is an abundant number, since it is smaller than the sum of its proper divisors (15291565868).

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

11123768532 is a wasteful number, since it uses less digits than its factorization.

11123768532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38140 (or 38138 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The spelling of 11123768532 in words is "eleven billion, one hundred twenty-three million, seven hundred sixty-eight thousand, five hundred thirty-two".