111113344558 has 16 divisors (see below), whose sum is σ = 170580743424. Its totient is φ = 54258160120.

The previous prime is 111113344549. The next prime is 111113344561. The reversal of 111113344558 is 855443311111.

111113344558 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1221688 + ... + 1309483.

It is an arithmetic number, because the mean of its divisors is an integer number (10661296464).

Almost surely, 2^111113344558 is an apocalyptic number.

111113344558 is a deficient number, since it is larger than the sum of its proper divisors (59467398866).

111113344558 is a wasteful number, since it uses less digits than its factorization.

111113344558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531687.

The product of its digits is 28800, while the sum is 37.

Adding to 111113344558 its reverse (855443311111), we get a palindrome (966556655669).

The spelling of 111113344558 in words is "one hundred eleven billion, one hundred thirteen million, three hundred forty-four thousand, five hundred fifty-eight".