111055510050 has 96 divisors (see below), whose sum is σ = 279582105600. Its totient is φ = 29168842560.

The previous prime is 111055510039. The next prime is 111055510127. The reversal of 111055510050 is 50015550111.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111055510050.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4953967 + ... + 4976333.

It is an arithmetic number, because the mean of its divisors is an integer number (2912313600).

Almost surely, 2^111055510050 is an apocalyptic number.

111055510050 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 111055510050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139791052800).

111055510050 is an abundant number, since it is smaller than the sum of its proper divisors (168526595550).

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

111055510050 is a wasteful number, since it uses less digits than its factorization.

111055510050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22880 (or 22875 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 24.

The spelling of 111055510050 in words is "one hundred eleven billion, fifty-five million, five hundred ten thousand, fifty".