10865851 has 2 divisors, whose sum is σ = 10865852. Its totient is φ = 10865850.

The previous prime is 10865849. The next prime is 10865857. The reversal of 10865851 is 15856801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10865851 - 2¹ = 10865849 is a prime.

Together with 10865849, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10865857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5432925 + 5432926.

It is an arithmetic number, because the mean of its divisors is an integer number (5432926).

Almost surely, 2^10865851 is an apocalyptic number.

10865851 is a deficient number, since it is larger than the sum of its proper divisors (1).

10865851 is an equidigital number, since it uses as much as digits as its factorization.

10865851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 34.

The square root of 10865851 is about 3296.3390298936. The cubic root of 10865851 is about 221.4902339146.

The spelling of 10865851 in words is "ten million, eight hundred sixty-five thousand, eight hundred fifty-one".