111055530243 has 16 divisors (see below), whose sum is σ = 172001697536. Its totient is φ = 62419969440.

The previous prime is 111055530203. The next prime is 111055530263. The reversal of 111055530243 is 342035550111.

It is not a de Polignac number, because 111055530243 - 2⁹ = 111055529731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111055530243.

It is not an unprimeable number, because it can be changed into a prime (111055530203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43345921 + ... + 43348482.

It is an arithmetic number, because the mean of its divisors is an integer number (10750106096).

Almost surely, 2^111055530243 is an apocalyptic number.

111055530243 is a deficient number, since it is larger than the sum of its proper divisors (60946167293).

111055530243 is an equidigital number, since it uses as much as digits as its factorization.

111055530243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86694474.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 111055530243 in words is "one hundred eleven billion, fifty-five million, five hundred thirty thousand, two hundred forty-three".