111428683 has 2 divisors, whose sum is σ = 111428684. Its totient is φ = 111428682.

The previous prime is 111428671. The next prime is 111428687. The reversal of 111428683 is 386824111.

It is a strong prime.

It is an emirp because it is prime and its reverse (386824111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111428683 - 2²¹ = 109331531 is a prime.

It is a super-2 number, since 2×111428683² = 24832702790228978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111428687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55714341 + 55714342.

It is an arithmetic number, because the mean of its divisors is an integer number (55714342).

Almost surely, 2^111428683 is an apocalyptic number.

111428683 is a deficient number, since it is larger than the sum of its proper divisors (1).

111428683 is an equidigital number, since it uses as much as digits as its factorization.

111428683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 34.

The square root of 111428683 is about 10555.9785429869. The cubic root of 111428683 is about 481.2074390201.

The spelling of 111428683 in words is "one hundred eleven million, four hundred twenty-eight thousand, six hundred eighty-three".