10851655685 has 16 divisors (see below), whose sum is σ = 14036260224. Its totient is φ = 8006340672.

The previous prime is 10851655669. The next prime is 10851655739. The reversal of 10851655685 is 58655615801.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10851655685 - 2⁴ = 10851655669 is a prime.

It is a super-2 number, since 2×10851655685² (a number of 21 digits) 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, 1337 + ... + 147326.

It is an arithmetic number, because the mean of its divisors is an integer number (877266264).

Almost surely, 2^10851655685 is an apocalyptic number.

It is an amenable number.

10851655685 is a deficient number, since it is larger than the sum of its proper divisors (3184604539).

10851655685 is a wasteful number, since it uses less digits than its factorization.

10851655685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149804.

The product of its (nonzero) digits is 1440000, while the sum is 50.

The spelling of 10851655685 in words is "ten billion, eight hundred fifty-one million, six hundred fifty-five thousand, six hundred eighty-five".