111100243986 has 48 divisors (see below), whose sum is σ = 241578641304. Its totient is φ = 36901066752.

The previous prime is 111100243981. The next prime is 111100244011. The reversal of 111100243986 is 689342001111.

111100243986 is a `hidden beast` number, since 111 + 100 + 2 + 439 + 8 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 65520128961 + 45580115025 = 255969^2 + 213495^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111100243986.

It is not an unprimeable number, because it can be changed into a prime (111100243981) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8164140 + ... + 8177736.

Almost surely, 2^111100243986 is an apocalyptic number.

111100243986 is an abundant number, since it is smaller than the sum of its proper divisors (130478397318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111100243986 is a wasteful number, since it uses less digits than its factorization.

111100243986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15195 (or 15192 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 111100243986 in words is "one hundred eleven billion, one hundred million, two hundred forty-three thousand, nine hundred eighty-six".