111306887 has 2 divisors, whose sum is σ = 111306888. Its totient is φ = 111306886.

The previous prime is 111306829. The next prime is 111306889. The reversal of 111306887 is 788603111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111306887 - 2¹⁴ = 111290503 is a prime.

Together with 111306889, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_6373682 and since 111306887 and 6373682 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111306889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55653443 + 55653444.

It is an arithmetic number, because the mean of its divisors is an integer number (55653444).

Almost surely, 2^111306887 is an apocalyptic number.

111306887 is a deficient number, since it is larger than the sum of its proper divisors (1).

111306887 is an equidigital number, since it uses as much as digits as its factorization.

111306887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 111306887 is about 10550.2079126432. The cubic root of 111306887 is about 481.0320487864.

Adding to 111306887 its reverse (788603111), we get a palindrome (899909998).

The spelling of 111306887 in words is "one hundred eleven million, three hundred six thousand, eight hundred eighty-seven".