856250331955201 has 16 divisors (see below), whose sum is σ = 858175931088000. Its totient is φ = 854327350656000.

The previous prime is 856250331955199. The next prime is 856250331955231. The reversal of 856250331955201 is 102559133052658.

It is a cyclic number.

It is not a de Polignac number, because 856250331955201 - 2¹ = 856250331955199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (856250331955231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3144386350 + ... + 3144658648.

It is an arithmetic number, because the mean of its divisors is an integer number (53635995693000).

Almost surely, 2^{856250331955201} is an apocalyptic number.

It is an amenable number.

856250331955201 is a deficient number, since it is larger than the sum of its proper divisors (1925599132799).

856250331955201 is a wasteful number, since it uses less digits than its factorization.

856250331955201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277080.

The product of its (nonzero) digits is 9720000, while the sum is 55.

The spelling of 856250331955201 in words is "eight hundred fifty-six trillion, two hundred fifty billion, three hundred thirty-one million, nine hundred fifty-five thousand, two hundred one".