1117856462866 has 32 divisors (see below), whose sum is σ = 1978171372800. Its totient is φ = 467068183680.

The previous prime is 1117856462851. The next prime is 1117856462881. The reversal of 1117856462866 is 6682646587111.

It is an interprime number because it is at equal distance from previous prime (1117856462851) and next prime (1117856462881).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8108611 + ... + 8245318.

It is an arithmetic number, because the mean of its divisors is an integer number (61817855400).

Almost surely, 2^{1117856462866} is an apocalyptic number.

1117856462866 is a deficient number, since it is larger than the sum of its proper divisors (860314909934).

1117856462866 is a wasteful number, since it uses less digits than its factorization.

1117856462866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16354194.

The product of its digits is 23224320, while the sum is 61.

The spelling of 1117856462866 in words is "one trillion, one hundred seventeen billion, eight hundred fifty-six million, four hundred sixty-two thousand, eight hundred sixty-six".