1118191200105 has 32 divisors (see below), whose sum is σ = 2115199123200. Its totient is φ = 493546459392.

The previous prime is 1118191200103. The next prime is 1118191200197. The reversal of 1118191200105 is 5010021918111.

It is not a de Polignac number, because 1118191200105 - 2¹ = 1118191200103 is a prime.

It is a super-3 number, since 3×1118191200105³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1118191200103) 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 31 ways as a sum of consecutive naturals, for example, 183607990 + ... + 183614079.

It is an arithmetic number, because the mean of its divisors is an integer number (66099972600).

Almost surely, 2^{1118191200105} is an apocalyptic number.

1118191200105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1118191200105 is a deficient number, since it is larger than the sum of its proper divisors (997007923095).

1118191200105 is a wasteful number, since it uses less digits than its factorization.

1118191200105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367222113.

The product of its (nonzero) digits is 720, while the sum is 30.

The spelling of 1118191200105 in words is "one trillion, one hundred eighteen billion, one hundred ninety-one million, two hundred thousand, one hundred five".