102684680269085 has 4 divisors (see below), whose sum is σ = 123221616322908. Its totient is φ = 82147744215264.

The previous prime is 102684680269043. The next prime is 102684680269141. The reversal of 102684680269085 is 580962086486201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12837846004036 + 89846834265049 = 3582994^2 + 9478757^2 .

It is a cyclic number.

It is not a de Polignac number, because 102684680269085 - 2²⁸ = 102684411833629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10268468026904 + ... + 10268468026913.

It is an arithmetic number, because the mean of its divisors is an integer number (30805404080727).

Almost surely, 2^{102684680269085} is an apocalyptic number.

It is an amenable number.

102684680269085 is a deficient number, since it is larger than the sum of its proper divisors (20536936053823).

102684680269085 is an equidigital number, since it uses as much as digits as its factorization.

102684680269085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20536936053822.

The product of its (nonzero) digits is 79626240, while the sum is 65.

The spelling of 102684680269085 in words is "one hundred two trillion, six hundred eighty-four billion, six hundred eighty million, two hundred sixty-nine thousand, eighty-five".