10688806845 has 32 divisors (see below), whose sum is σ = 19198247040. Its totient is φ = 5641920000.

The previous prime is 10688806841. The next prime is 10688806861. The reversal of 10688806845 is 54860888601.

It is not a de Polignac number, because 10688806845 - 2² = 10688806841 is a prime.

It is a super-2 number, since 2×10688806845² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10688806791 and 10688806800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10688806841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395031 + ... + 421220.

It is an arithmetic number, because the mean of its divisors is an integer number (599945220).

Almost surely, 2^10688806845 is an apocalyptic number.

10688806845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10688806845 is a deficient number, since it is larger than the sum of its proper divisors (8509440195).

10688806845 is an equidigital number, since it uses as much as digits as its factorization.

10688806845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816362 (or 816356 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The spelling of 10688806845 in words is "ten billion, six hundred eighty-eight million, eight hundred six thousand, eight hundred forty-five".