111040553 has 8 divisors (see below), whose sum is σ = 119784000. Its totient is φ = 102325968.

The previous prime is 111040547. The next prime is 111040561. The reversal of 111040553 is 355040111.

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 111040553 - 2¹⁴ = 111024169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111040513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148 + ... + 14946.

It is an arithmetic number, because the mean of its divisors is an integer number (14973000).

Almost surely, 2^111040553 is an apocalyptic number.

111040553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111040553 is a deficient number, since it is larger than the sum of its proper divisors (8743447).

111040553 is a wasteful number, since it uses less digits than its factorization.

111040553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14431.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 111040553 is about 10537.5781373141. The cubic root of 111040553 is about 480.6480728156.

Adding to 111040553 its reverse (355040111), we get a palindrome (466080664).

The spelling of 111040553 in words is "one hundred eleven million, forty thousand, five hundred fifty-three".