111403521132 has 72 divisors (see below), whose sum is σ = 275032482816. Its totient is φ = 35059920000.

The previous prime is 111403521109. The next prime is 111403521167. The reversal of 111403521132 is 231125304111.

111403521132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×111403521132² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 536257 + ... + 714407.

Almost surely, 2^111403521132 is an apocalyptic number.

111403521132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111403521132 is an abundant number, since it is smaller than the sum of its proper divisors (163628961684).

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

111403521132 is a wasteful number, since it uses less digits than its factorization.

111403521132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178271 (or 178228 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 111403521132 its reverse (231125304111), we get a palindrome (342528825243).

The spelling of 111403521132 in words is "one hundred eleven billion, four hundred three million, five hundred twenty-one thousand, one hundred thirty-two".