111320445 has 8 divisors (see below), whose sum is σ = 178112736. Its totient is φ = 59370896.

The previous prime is 111320423. The next prime is 111320467. The reversal of 111320445 is 544023111.

It is an interprime number because it is at equal distance from previous prime (111320423) and next prime (111320467).

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

It is a cyclic number.

It is not a de Polignac number, because 111320445 - 2⁶ = 111320381 is a prime.

It is a congruent number.

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, 3710667 + ... + 3710696.

It is an arithmetic number, because the mean of its divisors is an integer number (22264092).

Almost surely, 2^111320445 is an apocalyptic number.

111320445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111320445 is a deficient number, since it is larger than the sum of its proper divisors (66792291).

111320445 is an equidigital number, since it uses as much as digits as its factorization.

111320445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7421371.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 111320445 is about 10550.8504396565. The cubic root of 111320445 is about 481.0515790776.

Adding to 111320445 its reverse (544023111), we get a palindrome (655343556).

The spelling of 111320445 in words is "one hundred eleven million, three hundred twenty thousand, four hundred forty-five".