111403311104 has 56 divisors (see below), whose sum is σ = 222967059780. Its totient is φ = 55658151936.

The previous prime is 111403311079. The next prime is 111403311113. The reversal of 111403311104 is 401113304111.

It can be written as a sum of positive squares in 2 ways, for example, as 111395737600 + 7573504 = 333760^2 + 2752^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12193322 + ... + 12202454.

Almost surely, 2^111403311104 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 111403311104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111483529890).

111403311104 is an abundant number, since it is smaller than the sum of its proper divisors (111563748676).

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

111403311104 is an frugal number, since it uses more digits than its factorization.

111403311104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10648 (or 10624 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 111403311104 its reverse (401113304111), we get a palindrome (512516615215).

The spelling of 111403311104 in words is "one hundred eleven billion, four hundred three million, three hundred eleven thousand, one hundred four".