111843355 has 24 divisors (see below), whose sum is σ = 146806992. Its totient is φ = 81753984.

The previous prime is 111843353. The next prime is 111843359. The reversal of 111843355 is 553348111.

It is not a de Polignac number, because 111843355 - 2¹ = 111843353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111843353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89797 + ... + 91033.

It is an arithmetic number, because the mean of its divisors is an integer number (6116958).

Almost surely, 2^111843355 is an apocalyptic number.

111843355 is a deficient number, since it is larger than the sum of its proper divisors (34963637).

111843355 is a wasteful number, since it uses less digits than its factorization.

111843355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375 (or 1362 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 111843355 is about 10575.6018741252. The cubic root of 111843355 is about 481.8036237389.

The spelling of 111843355 in words is "one hundred eleven million, eight hundred forty-three thousand, three hundred fifty-five".