111141115050 has 96 divisors (see below), whose sum is σ = 333535473792. Its totient is φ = 23909345280.

The previous prime is 111141114991. The next prime is 111141115051. The reversal of 111141115050 is 50511141111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (111141115051) 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 47 ways as a sum of consecutive naturals, for example, 3095347 + ... + 3131046.

It is an arithmetic number, because the mean of its divisors is an integer number (3474327852).

Almost surely, 2^111141115050 is an apocalyptic number.

111141115050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111141115050 is an abundant number, since it is smaller than the sum of its proper divisors (222394358742).

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

111141115050 is a wasteful number, since it uses less digits than its factorization.

111141115050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6226432 (or 6226427 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 21.

Adding to 111141115050 its reverse (50511141111), we get a palindrome (161652256161).

The spelling of 111141115050 in words is "one hundred eleven billion, one hundred forty-one million, one hundred fifteen thousand, fifty".