111310553 has 8 divisors (see below), whose sum is σ = 116288256. Its totient is φ = 106419600.

The previous prime is 111310513. The next prime is 111310567. The reversal of 111310553 is 355013111.

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 111310553 - 2¹² = 111306457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111310513) 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, 19058 + ... + 24203.

It is an arithmetic number, because the mean of its divisors is an integer number (14536032).

Almost surely, 2^111310553 is an apocalyptic number.

It is an amenable number.

111310553 is a deficient number, since it is larger than the sum of its proper divisors (4977703).

111310553 is an equidigital number, since it uses as much as digits as its factorization.

111310553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43375.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 111310553 is about 10550.3816518645. The cubic root of 111310553 is about 481.0373298137.

Adding to 111310553 its reverse (355013111), we get a palindrome (466323664).

The spelling of 111310553 in words is "one hundred eleven million, three hundred ten thousand, five hundred fifty-three".