1118244143518 has 16 divisors (see below), whose sum is σ = 1765686827520. Its totient is φ = 529683140376.

The previous prime is 1118244143449. The next prime is 1118244143543. The reversal of 1118244143518 is 8153414428111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1614805 + ... + 2200927.

It is an arithmetic number, because the mean of its divisors is an integer number (110355426720).

Almost surely, 2^{1118244143518} is an apocalyptic number.

1118244143518 is a deficient number, since it is larger than the sum of its proper divisors (647442684002).

1118244143518 is a wasteful number, since it uses less digits than its factorization.

1118244143518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636351.

The product of its digits is 122880, while the sum is 43.

The spelling of 1118244143518 in words is "one trillion, one hundred eighteen billion, two hundred forty-four million, one hundred forty-three thousand, five hundred eighteen".