1218583111382 has 256 divisors, whose sum is σ = 2426691391488. Its totient is φ = 446195589120.

The previous prime is 1218583111349. The next prime is 1218583111391. The reversal of 1218583111382 is 2831113858121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2075950493 + ... + 2075951079.

It is an arithmetic number, because the mean of its divisors is an integer number (9479263248).

Almost surely, 2^{1218583111382} is an apocalyptic number.

1218583111382 is a deficient number, since it is larger than the sum of its proper divisors (1208108280106).

1218583111382 is a wasteful number, since it uses less digits than its factorization.

1218583111382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863.

The product of its digits is 92160, while the sum is 44.

The spelling of 1218583111382 in words is "one trillion, two hundred eighteen billion, five hundred eighty-three million, one hundred eleven thousand, three hundred eighty-two".