111342573 has 8 divisors (see below), whose sum is σ = 164952000. Its totient is φ = 74228364.

The previous prime is 111342557. The next prime is 111342601. The reversal of 111342573 is 375243111.

It is not a de Polignac number, because 111342573 - 2⁴ = 111342557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4123799 = 111342573 / (1 + 1 + 1 + 3 + 4 + 2 + 5 + 7 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111342373) 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 7 ways as a sum of consecutive naturals, for example, 2061873 + ... + 2061926.

It is an arithmetic number, because the mean of its divisors is an integer number (20619000).

Almost surely, 2^111342573 is an apocalyptic number.

It is an amenable number.

111342573 is a deficient number, since it is larger than the sum of its proper divisors (53609427).

111342573 is an equidigital number, since it uses as much as digits as its factorization.

111342573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123808 (or 4123802 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 111342573 is about 10551.8990233986. The cubic root of 111342573 is about 481.0834510430.

Adding to 111342573 its reverse (375243111), we get a palindrome (486585684).

The spelling of 111342573 in words is "one hundred eleven million, three hundred forty-two thousand, five hundred seventy-three".