1111112455558 has 16 divisors (see below), whose sum is σ = 1905718070304. Its totient is φ = 475952587200.

The previous prime is 1111112455543. The next prime is 1111112455567. The reversal of 1111112455558 is 8555542111111.

It is a happy number.

It is a super-3 number, since 3×1111112455558³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1111112455558.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19843143 + ... + 19899058.

It is an arithmetic number, because the mean of its divisors is an integer number (119107379394).

Almost surely, 2^{1111112455558} is an apocalyptic number.

1111112455558 is a deficient number, since it is larger than the sum of its proper divisors (794605614746).

1111112455558 is a wasteful number, since it uses less digits than its factorization.

1111112455558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39744207.

The product of its digits is 40000, while the sum is 40.

Adding to 1111112455558 its reverse (8555542111111), we get a palindrome (9666654566669).

The spelling of 1111112455558 in words is "one trillion, one hundred eleven billion, one hundred twelve million, four hundred fifty-five thousand, five hundred fifty-eight".