111441054206 has 4 divisors (see below), whose sum is σ = 167161581312. Its totient is φ = 55720527102.

The previous prime is 111441054199. The next prime is 111441054209. The reversal of 111441054206 is 602450144111.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111441054209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27860263550 + ... + 27860263553.

It is an arithmetic number, because the mean of its divisors is an integer number (41790395328).

Almost surely, 2^111441054206 is an apocalyptic number.

111441054206 is a deficient number, since it is larger than the sum of its proper divisors (55720527106).

111441054206 is an equidigital number, since it uses as much as digits as its factorization.

111441054206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55720527105.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 111441054206 its reverse (602450144111), we get a palindrome (713891198317).

The spelling of 111441054206 in words is "one hundred eleven billion, four hundred forty-one million, fifty-four thousand, two hundred six".