111886645 has 16 divisors (see below), whose sum is σ = 147958272. Its totient is φ = 80700480.

The previous prime is 111886609. The next prime is 111886661. The reversal of 111886645 is 546688111.

It is not a de Polignac number, because 111886645 - 2¹⁷ = 111755573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111886598 and 111886607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17221 + ... + 22810.

It is an arithmetic number, because the mean of its divisors is an integer number (9247392).

Almost surely, 2^111886645 is an apocalyptic number.

It is an amenable number.

111886645 is a deficient number, since it is larger than the sum of its proper divisors (36071627).

111886645 is a wasteful number, since it uses less digits than its factorization.

111886645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40092.

The product of its digits is 46080, while the sum is 40.

The square root of 111886645 is about 10577.6483681393. The cubic root of 111886645 is about 481.8657778962.

The spelling of 111886645 in words is "one hundred eleven million, eight hundred eighty-six thousand, six hundred forty-five".