111342155 has 8 divisors (see below), whose sum is σ = 135441312. Its totient is φ = 87853248.

The previous prime is 111342151. The next prime is 111342169. The reversal of 111342155 is 551243111.

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 111342155 - 2² = 111342151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111342155.

It is not an unprimeable number, because it can be changed into a prime (111342151) 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, 152159 + ... + 152888.

It is an arithmetic number, because the mean of its divisors is an integer number (16930164).

Almost surely, 2^111342155 is an apocalyptic number.

111342155 is a deficient number, since it is larger than the sum of its proper divisors (24099157).

111342155 is an equidigital number, since it uses as much as digits as its factorization.

111342155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305125.

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

The square root of 111342155 is about 10551.8792165187. The cubic root of 111342155 is about 481.0828490177.

Adding to 111342155 its reverse (551243111), we get a palindrome (662585266).

The spelling of 111342155 in words is "one hundred eleven million, three hundred forty-two thousand, one hundred fifty-five".