105816405287 has 2 divisors, whose sum is σ = 105816405288. Its totient is φ = 105816405286.

The previous prime is 105816405241. The next prime is 105816405379. The reversal of 105816405287 is 782504618501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105816405287 - 2¹⁰ = 105816404263 is a prime.

It is a super-2 number, since 2×105816405287² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105816405217) 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, 52908202643 + 52908202644.

It is an arithmetic number, because the mean of its divisors is an integer number (52908202644).

Almost surely, 2^105816405287 is an apocalyptic number.

105816405287 is a deficient number, since it is larger than the sum of its proper divisors (1).

105816405287 is an equidigital number, since it uses as much as digits as its factorization.

105816405287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 105816405287 in words is "one hundred five billion, eight hundred sixteen million, four hundred five thousand, two hundred eighty-seven".