856103152361 has 2 divisors, whose sum is σ = 856103152362. Its totient is φ = 856103152360.

The previous prime is 856103152319. The next prime is 856103152363. The reversal of 856103152361 is 163251301658.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 739015315600 + 117087836761 = 859660^2 + 342181^2 .

It is a cyclic number.

It is not a de Polignac number, because 856103152361 - 2⁶ = 856103152297 is a prime.

Together with 856103152363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (856103152363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428051576180 + 428051576181.

It is an arithmetic number, because the mean of its divisors is an integer number (428051576181).

Almost surely, 2^856103152361 is an apocalyptic number.

It is an amenable number.

856103152361 is a deficient number, since it is larger than the sum of its proper divisors (1).

856103152361 is an equidigital number, since it uses as much as digits as its factorization.

856103152361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 856103152361 in words is "eight hundred fifty-six billion, one hundred three million, one hundred fifty-two thousand, three hundred sixty-one".