111143897200 has 360 divisors, whose sum is σ = 329152801920. Its totient is φ = 35859801600.

The previous prime is 111143897197. The next prime is 111143897203. The reversal of 111143897200 is 2798341111.

It is an interprime number because it is at equal distance from previous prime (111143897197) and next prime (111143897203).

It is a self number, because there is not a number n which added to its sum of digits gives 111143897200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111143897203) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 60700285 + ... + 60702115.

Almost surely, 2^111143897200 is an apocalyptic number.

111143897200 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 111143897200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164576400960).

111143897200 is an abundant number, since it is smaller than the sum of its proper divisors (218008904720).

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

111143897200 is a wasteful number, since it uses less digits than its factorization.

111143897200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045 (or 2027 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 111143897200 in words is "one hundred eleven billion, one hundred forty-three million, eight hundred ninety-seven thousand, two hundred".