111113389 has 2 divisors, whose sum is σ = 111113390. Its totient is φ = 111113388.

The previous prime is 111113383. The next prime is 111113417. The reversal of 111113389 is 983311111.

It is an a-pointer prime, because the next prime (111113417) can be obtained adding 111113389 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91355364 + 19758025 = 9558^2 + 4445^2 .

It is a cyclic number.

It is not a de Polignac number, because 111113389 - 2⁹ = 111112877 is a prime.

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 (111113383) 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 as a sum of consecutive naturals, namely, 55556694 + 55556695.

It is an arithmetic number, because the mean of its divisors is an integer number (55556695).

Almost surely, 2^111113389 is an apocalyptic number.

It is an amenable number.

111113389 is a deficient number, since it is larger than the sum of its proper divisors (1).

111113389 is an equidigital number, since it uses as much as digits as its factorization.

111113389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 28.

The square root of 111113389 is about 10541.0335830980. The cubic root of 111113389 is about 480.7531420310.

The spelling of 111113389 in words is "one hundred eleven million, one hundred thirteen thousand, three hundred eighty-nine".