865830655001 has 8 divisors (see below), whose sum is σ = 972973579200. Its totient is φ = 764479240272.

The previous prime is 865830654991. The next prime is 865830655033. The reversal of 865830655001 is 100556038568.

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

It is a cyclic number.

It is not a de Polignac number, because 865830655001 - 2¹⁰ = 865830653977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (865830655201) 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 7 ways as a sum of consecutive naturals, for example, 1447877051 + ... + 1447877648.

It is an arithmetic number, because the mean of its divisors is an integer number (121621697400).

Almost surely, 2^865830655001 is an apocalyptic number.

It is an amenable number.

865830655001 is a deficient number, since it is larger than the sum of its proper divisors (107142924199).

865830655001 is a wasteful number, since it uses less digits than its factorization.

865830655001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895754735.

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 865830655001 in words is "eight hundred sixty-five billion, eight hundred thirty million, six hundred fifty-five thousand, one".