13705812107745 has 16 divisors (see below), whose sum is σ = 21929416312320. Its totient is φ = 7309727477504.

The previous prime is 13705812107711. The next prime is 13705812107803. The reversal of 13705812107745 is 54770121850731.

It is a happy number.

13705812107745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13705812107745 - 2³⁶ = 13637092631009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591817 + ... + 5268953.

It is an arithmetic number, because the mean of its divisors is an integer number (1370588519520).

Almost surely, 2^{13705812107745} is an apocalyptic number.

13705812107745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13705812107745 is a deficient number, since it is larger than the sum of its proper divisors (8223604204575).

13705812107745 is a wasteful number, since it uses less digits than its factorization.

13705812107745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872504.

The product of its (nonzero) digits is 1646400, while the sum is 51.

The spelling of 13705812107745 in words is "thirteen trillion, seven hundred five billion, eight hundred twelve million, one hundred seven thousand, seven hundred forty-five".