111986345 has 8 divisors (see below), whose sum is σ = 134644680. Its totient is φ = 89415040.

The previous prime is 111986321. The next prime is 111986377. The reversal of 111986345 is 543689111.

It can be written as a sum of positive squares in 4 ways, for example, as 4096576 + 107889769 = 2024^2 + 10387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111986345 - 2¹² = 111982249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111986299 and 111986308.

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, 18890 + ... + 24099.

It is an arithmetic number, because the mean of its divisors is an integer number (16830585).

Almost surely, 2^111986345 is an apocalyptic number.

It is an amenable number.

111986345 is a deficient number, since it is larger than the sum of its proper divisors (22658335).

111986345 is an equidigital number, since it uses as much as digits as its factorization.

111986345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43515.

The product of its digits is 25920, while the sum is 38.

The square root of 111986345 is about 10582.3600864835. The cubic root of 111986345 is about 482.0088624599.

The spelling of 111986345 in words is "one hundred eleven million, nine hundred eighty-six thousand, three hundred forty-five".