111113316287 has 2 divisors, whose sum is σ = 111113316288. Its totient is φ = 111113316286.

The previous prime is 111113316271. The next prime is 111113316323. The reversal of 111113316287 is 782613311111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111113316287 - 2⁴ = 111113316271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111113336287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55556658143 + 55556658144.

It is an arithmetic number, because the mean of its divisors is an integer number (55556658144).

Almost surely, 2^111113316287 is an apocalyptic number.

111113316287 is a deficient number, since it is larger than the sum of its proper divisors (1).

111113316287 is an equidigital number, since it uses as much as digits as its factorization.

111113316287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 35.

Adding to 111113316287 its reverse (782613311111), we get a palindrome (893726627398).

The spelling of 111113316287 in words is "one hundred eleven billion, one hundred thirteen million, three hundred sixteen thousand, two hundred eighty-seven".