111133345 has 8 divisors (see below), whose sum is σ = 133422120. Its totient is φ = 88865280.

The previous prime is 111133339. The next prime is 111133349. The reversal of 111133345 is 543331111.

It can be written as a sum of positive squares in 4 ways, for example, as 36759969 + 74373376 = 6063^2 + 8624^2 .

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

It is not a de Polignac number, because 111133345 - 2²³ = 102744737 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (111133349) 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, 11551 + ... + 18859.

It is an arithmetic number, because the mean of its divisors is an integer number (16677765).

Almost surely, 2^111133345 is an apocalyptic number.

It is an amenable number.

111133345 is a deficient number, since it is larger than the sum of its proper divisors (22288775).

111133345 is an equidigital number, since it uses as much as digits as its factorization.

111133345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10355.

The product of its digits is 540, while the sum is 22.

The square root of 111133345 is about 10541.9801270919. The cubic root of 111133345 is about 480.7819214472.

Adding to 111133345 its reverse (543331111), we get a palindrome (654464456).

The spelling of 111133345 in words is "one hundred eleven million, one hundred thirty-three thousand, three hundred forty-five".