111550425443 has 16 divisors (see below), whose sum is σ = 114064420320. Its totient is φ = 109058745600.

The previous prime is 111550425383. The next prime is 111550425577. The reversal of 111550425443 is 344524055111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111550425443 - 2²⁴ = 111533648227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111550424443) 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, 8963021 + ... + 8975457.

It is an arithmetic number, because the mean of its divisors is an integer number (7129026270).

Almost surely, 2^111550425443 is an apocalyptic number.

111550425443 is a deficient number, since it is larger than the sum of its proper divisors (2513994877).

111550425443 is a wasteful number, since it uses less digits than its factorization.

111550425443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13318.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 111550425443 in words is "one hundred eleven billion, five hundred fifty million, four hundred twenty-five thousand, four hundred forty-three".