1118244144185 has 48 divisors (see below), whose sum is σ = 1658116137600. Its totient is φ = 719368957440.

The previous prime is 1118244144163. The next prime is 1118244144197. The reversal of 1118244144185 is 5814414428111.

It is a happy number.

It is not a de Polignac number, because 1118244144185 - 2¹⁴ = 1118244127801 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 863666 + ... + 1726964.

It is an arithmetic number, because the mean of its divisors is an integer number (34544086200).

Almost surely, 2^{1118244144185} is an apocalyptic number.

It is an amenable number.

1118244144185 is a deficient number, since it is larger than the sum of its proper divisors (539871993415).

1118244144185 is a wasteful number, since it uses less digits than its factorization.

1118244144185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863646 (or 863639 counting only the distinct ones).

The product of its digits is 163840, while the sum is 44.

The spelling of 1118244144185 in words is "one trillion, one hundred eighteen billion, two hundred forty-four million, one hundred forty-four thousand, one hundred eighty-five".