10685855 has 16 divisors (see below), whose sum is σ = 13436928. Its totient is φ = 8148000.

The previous prime is 10685849. The next prime is 10685861. The reversal of 10685855 is 55858601.

It is an interprime number because it is at equal distance from previous prime (10685849) and next prime (10685861).

It is not a de Polignac number, because 10685855 - 2⁸ = 10685599 is a prime.

It is a super-2 number, since 2×10685855² = 228374994162050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 10520 + ... + 11490.

It is an arithmetic number, because the mean of its divisors is an integer number (839808).

Almost surely, 2^10685855 is an apocalyptic number.

10685855 is a deficient number, since it is larger than the sum of its proper divisors (2751073).

10685855 is an equidigital number, since it uses as much as digits as its factorization.

10685855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078.

The product of its (nonzero) digits is 48000, while the sum is 38.

The square root of 10685855 is about 3268.9226053855. The cubic root of 10685855 is about 220.2604010235.

It can be divided in two parts, 10685 and 855, that multiplied together give a triangular number (9135675 = T₄₂₇₄).

The spelling of 10685855 in words is "ten million, six hundred eighty-five thousand, eight hundred fifty-five".