111648107 has 4 divisors (see below), whose sum is σ = 111699336. Its totient is φ = 111596880.

The previous prime is 111648091. The next prime is 111648109. The reversal of 111648107 is 701846111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111648107 - 2⁴ = 111648091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111648107.

It is not an unprimeable number, because it can be changed into a prime (111648109) 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 3 ways as a sum of consecutive naturals, for example, 22193 + ... + 26754.

It is an arithmetic number, because the mean of its divisors is an integer number (27924834).

Almost surely, 2^111648107 is an apocalyptic number.

111648107 is a deficient number, since it is larger than the sum of its proper divisors (51229).

111648107 is an equidigital number, since it uses as much as digits as its factorization.

111648107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51228.

The product of its (nonzero) digits is 1344, while the sum is 29.

The square root of 111648107 is about 10566.3667833366. The cubic root of 111648107 is about 481.5230945173.

The spelling of 111648107 in words is "one hundred eleven million, six hundred forty-eight thousand, one hundred seven".