13705803835825 has 6 divisors (see below), whose sum is σ = 16995196756454. Its totient is φ = 10964643068640.

The previous prime is 13705803835819. The next prime is 13705803835849. The reversal of 13705803835825 is 52853830850731.

It can be written as a sum of positive squares in 3 ways, for example, as 269063176369 + 13436740659456 = 518713^2 + 3665616^2 .

It is not a de Polignac number, because 13705803835825 - 2⁵ = 13705803835793 is a prime.

It is a super-2 number, since 2×13705803835825² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13705803835825.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274116076692 + ... + 274116076741.

Almost surely, 2^{13705803835825} is an apocalyptic number.

It is an amenable number.

13705803835825 is a deficient number, since it is larger than the sum of its proper divisors (3289392920629).

13705803835825 is an equidigital number, since it uses as much as digits as its factorization.

13705803835825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548232153443 (or 548232153438 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 13705803835825 in words is "thirteen trillion, seven hundred five billion, eight hundred three million, eight hundred thirty-five thousand, eight hundred twenty-five".