111271716327 has 4 divisors (see below), whose sum is σ = 148362288440. Its totient is φ = 74181144216.

The previous prime is 111271716323. The next prime is 111271716329. The reversal of 111271716327 is 723617172111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 111271716327 - 2² = 111271716323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111271716323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18545286052 + ... + 18545286057.

It is an arithmetic number, because the mean of its divisors is an integer number (37090572110).

Almost surely, 2^111271716327 is an apocalyptic number.

111271716327 is a deficient number, since it is larger than the sum of its proper divisors (37090572113).

111271716327 is an equidigital number, since it uses as much as digits as its factorization.

111271716327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37090572112.

The product of its digits is 24696, while the sum is 39.

Adding to 111271716327 its reverse (723617172111), we get a palindrome (834888888438).

The spelling of 111271716327 in words is "one hundred eleven billion, two hundred seventy-one million, seven hundred sixteen thousand, three hundred twenty-seven".