111115045050 has 96 divisors (see below), whose sum is σ = 282420673920. Its totient is φ = 28894233600.

The previous prime is 111115045043. The next prime is 111115045087. The reversal of 111115045050 is 50540511111.

It is a self number, because there is not a number n which added to its sum of digits gives 111115045050.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22586491 + ... + 22591409.

It is an arithmetic number, because the mean of its divisors is an integer number (2941882020).

Almost surely, 2^111115045050 is an apocalyptic number.

111115045050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111115045050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141210336960).

111115045050 is an abundant number, since it is smaller than the sum of its proper divisors (171305628870).

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

111115045050 is a wasteful number, since it uses less digits than its factorization.

111115045050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8648 (or 8643 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 24.

Adding to 111115045050 its reverse (50540511111), we get a palindrome (161655556161).

The spelling of 111115045050 in words is "one hundred eleven billion, one hundred fifteen million, forty-five thousand, fifty".