111504755072 has 128 divisors (see below), whose sum is σ = 228296244960. Its totient is φ = 54235267072.

The previous prime is 111504755071. The next prime is 111504755081. The reversal of 111504755072 is 270557405111.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111504755071) 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 15 ways as a sum of consecutive naturals, for example, 351749858 + ... + 351750174.

Almost surely, 2^111504755072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111504755072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114148122480).

111504755072 is an abundant number, since it is smaller than the sum of its proper divisors (116791489888).

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

111504755072 is a wasteful number, since it uses less digits than its factorization.

111504755072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 38.

The spelling of 111504755072 in words is "one hundred eleven billion, five hundred four million, seven hundred fifty-five thousand, seventy-two".