111415743866 has 16 divisors (see below), whose sum is σ = 191489425920. Its totient is φ = 47626852560.

The previous prime is 111415743851. The next prime is 111415743889. The reversal of 111415743866 is 668347514111.

It is a self number, because there is not a number n which added to its sum of digits gives 111415743866.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10223690 + ... + 10234581.

It is an arithmetic number, because the mean of its divisors is an integer number (11968089120).

Almost surely, 2^111415743866 is an apocalyptic number.

111415743866 is a deficient number, since it is larger than the sum of its proper divisors (80073682054).

111415743866 is a wasteful number, since it uses less digits than its factorization.

111415743866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20458669.

The product of its digits is 483840, while the sum is 47.

The spelling of 111415743866 in words is "one hundred eleven billion, four hundred fifteen million, seven hundred forty-three thousand, eight hundred sixty-six".