102685108843 has 4 divisors (see below), whose sum is σ = 102685990680. Its totient is φ = 102684227008.

The previous prime is 102685108837. The next prime is 102685108853. The reversal of 102685108843 is 348801586201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 102685108843 - 2⁵ = 102685108811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102685108793 and 102685108802.

It is not an unprimeable number, because it can be changed into a prime (102685108853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233830 + ... + 509947.

It is an arithmetic number, because the mean of its divisors is an integer number (25671497670).

Almost surely, 2^102685108843 is an apocalyptic number.

102685108843 is a deficient number, since it is larger than the sum of its proper divisors (881837).

102685108843 is an equidigital number, since it uses as much as digits as its factorization.

102685108843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881836.

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 102685108843 in words is "one hundred two billion, six hundred eighty-five million, one hundred eight thousand, eight hundred forty-three".