1118318228211 has 16 divisors (see below), whose sum is σ = 1499740352000. Its totient is φ = 741226578048.

The previous prime is 1118318228177. The next prime is 1118318228263. The reversal of 1118318228211 is 1128228138111.

It is a happy number.

It is not a de Polignac number, because 1118318228211 - 2¹⁷ = 1118318097139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1118318228211.

It is not an unprimeable number, because it can be changed into a prime (1118318228011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52170 + ... + 1496448.

It is an arithmetic number, because the mean of its divisors is an integer number (93733772000).

Almost surely, 2^{1118318228211} is an apocalyptic number.

1118318228211 is a deficient number, since it is larger than the sum of its proper divisors (381422123789).

1118318228211 is a wasteful number, since it uses less digits than its factorization.

1118318228211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445778.

The product of its digits is 12288, while the sum is 39.

The spelling of 1118318228211 in words is "one trillion, one hundred eighteen billion, three hundred eighteen million, two hundred twenty-eight thousand, two hundred eleven".