111312055 has 8 divisors (see below), whose sum is σ = 135838800. Its totient is φ = 87540096.

The previous prime is 111312053. The next prime is 111312067. The reversal of 111312055 is 550213111.

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 111312055 - 2¹ = 111312053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312053) 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, 188370 + ... + 188959.

It is an arithmetic number, because the mean of its divisors is an integer number (16979850).

Almost surely, 2^111312055 is an apocalyptic number.

111312055 is a deficient number, since it is larger than the sum of its proper divisors (24526745).

111312055 is an equidigital number, since it uses as much as digits as its factorization.

111312055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377393.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 111312055 is about 10550.4528338835. The cubic root of 111312055 is about 481.0394934745.

Adding to 111312055 its reverse (550213111), we get a palindrome (661525166).

The spelling of 111312055 in words is "one hundred eleven million, three hundred twelve thousand, fifty-five".