111150541643 has 4 divisors (see below), whose sum is σ = 113247721728. Its totient is φ = 109053361560.

The previous prime is 111150541639. The next prime is 111150541679. The reversal of 111150541643 is 346145051111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346145051111 = 293 ⋅1181382427.

It is a cyclic number.

It is not a de Polignac number, because 111150541643 - 2² = 111150541639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111150544643) 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 3 ways as a sum of consecutive naturals, for example, 1048589963 + ... + 1048590068.

It is an arithmetic number, because the mean of its divisors is an integer number (28311930432).

Almost surely, 2^111150541643 is an apocalyptic number.

111150541643 is a deficient number, since it is larger than the sum of its proper divisors (2097180085).

111150541643 is an equidigital number, since it uses as much as digits as its factorization.

111150541643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097180084.

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 111150541643 its reverse (346145051111), we get a palindrome (457295592754).

The spelling of 111150541643 in words is "one hundred eleven billion, one hundred fifty million, five hundred forty-one thousand, six hundred forty-three".