111361544243 has 8 divisors (see below), whose sum is σ = 112330946880. Its totient is φ = 110395434240.

The previous prime is 111361544209. The next prime is 111361544269. The reversal of 111361544243 is 342445163111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111361544243 - 2²⁸ = 111093108787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111361544293) 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 7 ways as a sum of consecutive naturals, for example, 755198 + ... + 890531.

It is an arithmetic number, because the mean of its divisors is an integer number (14041368360).

Almost surely, 2^111361544243 is an apocalyptic number.

111361544243 is a deficient number, since it is larger than the sum of its proper divisors (969402637).

111361544243 is a wasteful number, since it uses less digits than its factorization.

111361544243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646317.

The product of its digits is 34560, while the sum is 35.

The spelling of 111361544243 in words is "one hundred eleven billion, three hundred sixty-one million, five hundred forty-four thousand, two hundred forty-three".