111115243132 has 24 divisors (see below), whose sum is σ = 201491735760. Its totient is φ = 53552553600.

The previous prime is 111115243081. The next prime is 111115243139. The reversal of 111115243132 is 231342511111.

It is a junction number, because it is equal to n+sod(n) for n = 111115243097 and 111115243106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111115243139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727198 + ... + 866629.

It is an arithmetic number, because the mean of its divisors is an integer number (8395488990).

Almost surely, 2^111115243132 is an apocalyptic number.

It is an amenable number.

111115243132 is a deficient number, since it is larger than the sum of its proper divisors (90376492628).

111115243132 is a wasteful number, since it uses less digits than its factorization.

111115243132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594461 (or 1594459 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

Adding to 111115243132 its reverse (231342511111), we get a palindrome (342457754243).

The spelling of 111115243132 in words is "one hundred eleven billion, one hundred fifteen million, two hundred forty-three thousand, one hundred thirty-two".