111010945500 has 1080 divisors, whose sum is σ = 457585272144. Its totient is φ = 23351328000.

The previous prime is 111010945483. The next prime is 111010945501. The reversal of 111010945500 is 5549010111.

111010945500 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 109 + 4 + 550 + 0 = 666.

111010945500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010945501) by changing a digit.

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 359 ways as a sum of consecutive naturals, for example, 335380335 + ... + 335380665.

Almost surely, 2^111010945500 is an apocalyptic number.

111010945500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111010945500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228792636072).

111010945500 is an abundant number, since it is smaller than the sum of its proper divisors (346574326644).

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

111010945500 is a wasteful number, since it uses less digits than its factorization.

111010945500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

Adding to 111010945500 its reverse (5549010111), we get a palindrome (116559955611).

The spelling of 111010945500 in words is "one hundred eleven billion, ten million, nine hundred forty-five thousand, five hundred".