111530473 has 8 divisors (see below), whose sum is σ = 118353600. Its totient is φ = 104871888.

The previous prime is 111530431. The next prime is 111530533. The reversal of 111530473 is 374035111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111530473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111530413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39738 + ... + 42451.

It is an arithmetic number, because the mean of its divisors is an integer number (14794200).

Almost surely, 2^111530473 is an apocalyptic number.

It is an amenable number.

111530473 is a deficient number, since it is larger than the sum of its proper divisors (6823127).

111530473 is an equidigital number, since it uses as much as digits as its factorization.

111530473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82271.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 111530473 is about 10560.7988807665. The cubic root of 111530473 is about 481.3539219437.

Adding to 111530473 its reverse (374035111), we get a palindrome (485565584).

The spelling of 111530473 in words is "one hundred eleven million, five hundred thirty thousand, four hundred seventy-three".