111546352643 has 6 divisors (see below), whose sum is σ = 122608800972. Its totient is φ = 101405775020.

The previous prime is 111546352607. The next prime is 111546352649. The reversal of 111546352643 is 346253645111.

It is not a de Polignac number, because 111546352643 - 2¹⁰ = 111546351619 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 111546352643.

It is not an unprimeable number, because it can be changed into a prime (111546352649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 460935221 + ... + 460935462.

It is an arithmetic number, because the mean of its divisors is an integer number (20434800162).

Almost surely, 2^111546352643 is an apocalyptic number.

111546352643 is a deficient number, since it is larger than the sum of its proper divisors (11062448329).

111546352643 is an equidigital number, since it uses as much as digits as its factorization.

111546352643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921870705 (or 921870694 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

Adding to 111546352643 its reverse (346253645111), we get a palindrome (457799997754).

The spelling of 111546352643 in words is "one hundred eleven billion, five hundred forty-six million, three hundred fifty-two thousand, six hundred forty-three".