111444679 has 2 divisors, whose sum is σ = 111444680. Its totient is φ = 111444678.

The previous prime is 111444677. The next prime is 111444701. The reversal of 111444679 is 976444111.

It is a weak prime.

It is an emirp because it is prime and its reverse (976444111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111444679 - 2¹ = 111444677 is a prime.

Together with 111444677, it forms a pair of twin primes.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111444677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55722339 + 55722340.

It is an arithmetic number, because the mean of its divisors is an integer number (55722340).

Almost surely, 2^111444679 is an apocalyptic number.

111444679 is a deficient number, since it is larger than the sum of its proper divisors (1).

111444679 is an equidigital number, since it uses as much as digits as its factorization.

111444679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The square root of 111444679 is about 10556.7361906983. The cubic root of 111444679 is about 481.2304642882.

The spelling of 111444679 in words is "one hundred eleven million, four hundred forty-four thousand, six hundred seventy-nine".