10685811 has 8 divisors (see below), whose sum is σ = 14395024. Its totient is φ = 7050240.

The previous prime is 10685767. The next prime is 10685819. The reversal of 10685811 is 11858601.

It is a happy number.

10685811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10685811 - 2⁶ = 10685747 is a prime.

It is a super-2 number, since 2×10685811² = 228373113455442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10685819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18070 + ... + 18651.

It is an arithmetic number, because the mean of its divisors is an integer number (1799378).

Almost surely, 2^10685811 is an apocalyptic number.

10685811 is a deficient number, since it is larger than the sum of its proper divisors (3709213).

10685811 is an equidigital number, since it uses as much as digits as its factorization.

10685811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36821.

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 10685811 is about 3268.9158753324. The cubic root of 10685811 is about 220.2600987088.

The spelling of 10685811 in words is "ten million, six hundred eighty-five thousand, eight hundred eleven".