111144430032 has 20 divisors (see below), whose sum is σ = 287123111040. Its totient is φ = 37048143328.

The previous prime is 111144430031. The next prime is 111144430049. The reversal of 111144430032 is 230034441111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 111144429984 and 111144430011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111144430031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157754432 + ... + 1157754527.

It is an arithmetic number, because the mean of its divisors is an integer number (14356155552).

Almost surely, 2^111144430032 is an apocalyptic number.

111144430032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111144430032 is an abundant number, since it is smaller than the sum of its proper divisors (175978681008).

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

111144430032 is a wasteful number, since it uses less digits than its factorization.

111144430032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315508970 (or 2315508964 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 111144430032 its reverse (230034441111), we get a palindrome (341178871143).

The spelling of 111144430032 in words is "one hundred eleven billion, one hundred forty-four million, four hundred thirty thousand, thirty-two".