10856117 has 2 divisors, whose sum is σ = 10856118. Its totient is φ = 10856116.

The previous prime is 10856099. The next prime is 10856119. The reversal of 10856117 is 71165801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10201636 + 654481 = 3194^2 + 809^2 .

It is a cyclic number.

It is not a de Polignac number, because 10856117 - 2⁸ = 10855861 is a prime.

Together with 10856119, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10856117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10856119) 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 as a sum of consecutive naturals, namely, 5428058 + 5428059.

It is an arithmetic number, because the mean of its divisors is an integer number (5428059).

Almost surely, 2^10856117 is an apocalyptic number.

It is an amenable number.

10856117 is a deficient number, since it is larger than the sum of its proper divisors (1).

10856117 is an equidigital number, since it uses as much as digits as its factorization.

10856117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 10856117 is about 3294.8622125971. The cubic root of 10856117 is about 221.4240746523.

The spelling of 10856117 in words is "ten million, eight hundred fifty-six thousand, one hundred seventeen".