111442911132 has 24 divisors (see below), whose sum is σ = 297181096576. Its totient is φ = 31840831728.

The previous prime is 111442911131. The next prime is 111442911169. The reversal of 111442911132 is 231119244111.

It is a self number, because there is not a number n which added to its sum of digits gives 111442911132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111442911131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663350578 + ... + 663350745.

Almost surely, 2^111442911132 is an apocalyptic number.

111442911132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111442911132 is an abundant number, since it is smaller than the sum of its proper divisors (185738185444).

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

111442911132 is a wasteful number, since it uses less digits than its factorization.

111442911132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326701337 (or 1326701335 counting only the distinct ones).

The product of its digits is 1728, while the sum is 30.

The spelling of 111442911132 in words is "one hundred eleven billion, four hundred forty-two million, nine hundred eleven thousand, one hundred thirty-two".