111452123532 has 12 divisors (see below), whose sum is σ = 260054954936. Its totient is φ = 37150707840.

The previous prime is 111452123513. The next prime is 111452123663. The reversal of 111452123532 is 235321254111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 111452123532.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4643838469 + ... + 4643838492.

Almost surely, 2^111452123532 is an apocalyptic number.

111452123532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111452123532 is an abundant number, since it is smaller than the sum of its proper divisors (148602831404).

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

111452123532 is a wasteful number, since it uses less digits than its factorization.

111452123532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9287676968 (or 9287676966 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

Adding to 111452123532 its reverse (235321254111), we get a palindrome (346773377643).

The spelling of 111452123532 in words is "one hundred eleven billion, four hundred fifty-two million, one hundred twenty-three thousand, five hundred thirty-two".