111145355 has 8 divisors (see below), whose sum is σ = 135561264. Its totient is φ = 87458400.

The previous prime is 111145351. The next prime is 111145357. The reversal of 111145355 is 553541111.

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

It is not a de Polignac number, because 111145355 - 2² = 111145351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111145351) 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, 181901 + ... + 182510.

It is an arithmetic number, because the mean of its divisors is an integer number (16945158).

Almost surely, 2^111145355 is an apocalyptic number.

111145355 is a deficient number, since it is larger than the sum of its proper divisors (24415909).

111145355 is an equidigital number, since it uses as much as digits as its factorization.

111145355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364477.

The product of its digits is 1500, while the sum is 26.

The square root of 111145355 is about 10542.5497390337. The cubic root of 111145355 is about 480.7992399303.

Adding to 111145355 its reverse (553541111), we get a palindrome (664686466).

The spelling of 111145355 in words is "one hundred eleven million, one hundred forty-five thousand, three hundred fifty-five".