10386680250865 has 4 divisors (see below), whose sum is σ = 12464016301044. Its totient is φ = 8309344200688.

The previous prime is 10386680250853. The next prime is 10386680250899. The reversal of 10386680250865 is 56805208668301.

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 1966678078689 + 8420002172176 = 1402383^2 + 2901724^2 .

It is a cyclic number.

It is not a de Polignac number, because 10386680250865 - 2¹⁵ = 10386680218097 is a prime.

It is a Duffinian number.

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, 1038668025082 + ... + 1038668025091.

It is an arithmetic number, because the mean of its divisors is an integer number (3116004075261).

Almost surely, 2^{10386680250865} is an apocalyptic number.

It is an amenable number.

10386680250865 is a deficient number, since it is larger than the sum of its proper divisors (2077336050179).

10386680250865 is an equidigital number, since it uses as much as digits as its factorization.

10386680250865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077336050178.

The product of its (nonzero) digits is 16588800, while the sum is 58.

The spelling of 10386680250865 in words is "ten trillion, three hundred eighty-six billion, six hundred eighty million, two hundred fifty thousand, eight hundred sixty-five".