10815641 has 2 divisors, whose sum is σ = 10815642. Its totient is φ = 10815640.

The previous prime is 10815631. The next prime is 10815671. The reversal of 10815641 is 14651801.

10815641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7590025 + 3225616 = 2755^2 + 1796^2 .

It is a cyclic number.

It is not a de Polignac number, because 10815641 - 2⁶ = 10815577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10815641.

It is not a weakly prime, because it can be changed into another prime (10815601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5407820 + 5407821.

It is an arithmetic number, because the mean of its divisors is an integer number (5407821).

Almost surely, 2^10815641 is an apocalyptic number.

It is an amenable number.

10815641 is a deficient number, since it is larger than the sum of its proper divisors (1).

10815641 is an equidigital number, since it uses as much as digits as its factorization.

10815641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 10815641 is about 3288.7141864261. The cubic root of 10815641 is about 221.1485457373.

The spelling of 10815641 in words is "ten million, eight hundred fifteen thousand, six hundred forty-one".