104163437500985 has 4 divisors (see below), whose sum is σ = 124996125001188. Its totient is φ = 83330750000784.

The previous prime is 104163437500957. The next prime is 104163437501027. The reversal of 104163437500985 is 589005734361401.

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 78363427745344 + 25800009755641 = 8852312^2 + 5079371^2 .

It is a cyclic number.

It is not a de Polignac number, because 104163437500985 - 2³⁶ = 104094718024249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104163437500985.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10416343750094 + ... + 10416343750103.

It is an arithmetic number, because the mean of its divisors is an integer number (31249031250297).

Almost surely, 2^{104163437500985} is an apocalyptic number.

It is an amenable number.

104163437500985 is a deficient number, since it is larger than the sum of its proper divisors (20832687500203).

104163437500985 is an equidigital number, since it uses as much as digits as its factorization.

104163437500985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20832687500202.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 104163437500985 in words is "one hundred four trillion, one hundred sixty-three billion, four hundred thirty-seven million, five hundred thousand, nine hundred eighty-five".