1218871586114 has 48 divisors (see below), whose sum is σ = 2265636811392. Its totient is φ = 481541284224.

The previous prime is 1218871586087. The next prime is 1218871586123. The reversal of 1218871586114 is 4116851788121.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1411262 + ... + 2104614.

It is an arithmetic number, because the mean of its divisors is an integer number (47200766904).

Almost surely, 2^{1218871586114} is an apocalyptic number.

1218871586114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1218871586114 is a deficient number, since it is larger than the sum of its proper divisors (1046765225278).

1218871586114 is a wasteful number, since it uses less digits than its factorization.

1218871586114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694131 (or 694118 counting only the distinct ones).

The product of its digits is 860160, while the sum is 53.

The spelling of 1218871586114 in words is "one trillion, two hundred eighteen billion, eight hundred seventy-one million, five hundred eighty-six thousand, one hundred fourteen".