865104200101 has 8 divisors (see below), whose sum is σ = 865636864064. Its totient is φ = 864571656960.

The previous prime is 865104200039. The next prime is 865104200123. The reversal of 865104200101 is 101002401568.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-865104200101 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 865104200101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865104200161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17231806 + ... + 17281936.

It is an arithmetic number, because the mean of its divisors is an integer number (108204608008).

Almost surely, 2^865104200101 is an apocalyptic number.

It is an amenable number.

865104200101 is a deficient number, since it is larger than the sum of its proper divisors (532663963).

865104200101 is a wasteful number, since it uses less digits than its factorization.

865104200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60411.

The product of its (nonzero) digits is 1920, while the sum is 28.

Adding to 865104200101 its reverse (101002401568), we get a palindrome (966106601669).

The spelling of 865104200101 in words is "eight hundred sixty-five billion, one hundred four million, two hundred thousand, one hundred one".