111214553 has 8 divisors (see below), whose sum is σ = 112681800. Its totient is φ = 109755648.

The previous prime is 111214531. The next prime is 111214567. The reversal of 111214553 is 355412111.

It can be written as a sum of positive squares in 4 ways, for example, as 375769 + 110838784 = 613^2 + 10528^2 .

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 111214553 - 2¹⁸ = 110952409 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 (111214583) 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, 27425 + ... + 31217.

It is an arithmetic number, because the mean of its divisors is an integer number (14085225).

Almost surely, 2^111214553 is an apocalyptic number.

It is an amenable number.

111214553 is a deficient number, since it is larger than the sum of its proper divisors (1467247).

111214553 is a wasteful number, since it uses less digits than its factorization.

111214553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171.

The product of its digits is 600, while the sum is 23.

The square root of 111214553 is about 10545.8310720398. The cubic root of 111214553 is about 480.8989995157.

Adding to 111214553 its reverse (355412111), we get a palindrome (466626664).

The spelling of 111214553 in words is "one hundred eleven million, two hundred fourteen thousand, five hundred fifty-three".