3861856530001 has 8 divisors (see below), whose sum is σ = 3903882424064. Its totient is φ = 3820051244880.

The previous prime is 3861856529989. The next prime is 3861856530041. The reversal of 3861856530001 is 1000356581683.

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 3861856530001 - 2⁵ = 3861856529969 is a prime.

It is a super-2 number, since 2×3861856530001² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3861856530041) 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, 55117035 + ... + 55187056.

It is an arithmetic number, because the mean of its divisors is an integer number (487985303008).

Almost surely, 2^{3861856530001} is an apocalyptic number.

It is an amenable number.

3861856530001 is a deficient number, since it is larger than the sum of its proper divisors (42025894063).

3861856530001 is a wasteful number, since it uses less digits than its factorization.

3861856530001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110304471.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 3861856530001 in words is "three trillion, eight hundred sixty-one billion, eight hundred fifty-six million, five hundred thirty thousand, one".