111301325128 has 16 divisors (see below), whose sum is σ = 238502839680. Its totient is φ = 47700567888.

The previous prime is 111301325117. The next prime is 111301325129. The reversal of 111301325128 is 821523103111.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 111301325096 and 111301325105.

It is not an unprimeable number, because it can be changed into a prime (111301325129) by changing a digit.

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, 993761776 + ... + 993761887.

It is an arithmetic number, because the mean of its divisors is an integer number (14906427480).

Almost surely, 2^111301325128 is an apocalyptic number.

It is an amenable number.

111301325128 is an abundant number, since it is smaller than the sum of its proper divisors (127201514552).

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

111301325128 is a wasteful number, since it uses less digits than its factorization.

111301325128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987523676 (or 1987523672 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

Adding to 111301325128 its reverse (821523103111), we get a palindrome (932824428239).

The spelling of 111301325128 in words is "one hundred eleven billion, three hundred one million, three hundred twenty-five thousand, one hundred twenty-eight".