13116451567705 has 16 divisors (see below), whose sum is σ = 16576810398720. Its totient is φ = 9935692979328.

The previous prime is 13116451567663. The next prime is 13116451567757. The reversal of 13116451567705 is 50776515461131.

It is a cyclic number.

It is not a de Polignac number, because 13116451567705 - 2⁷ = 13116451567577 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, 35905017 + ... + 36268486.

It is an arithmetic number, because the mean of its divisors is an integer number (1036050649920).

Almost surely, 2^{13116451567705} is an apocalyptic number.

It is an amenable number.

13116451567705 is a deficient number, since it is larger than the sum of its proper divisors (3460358831015).

13116451567705 is a wasteful number, since it uses less digits than its factorization.

13116451567705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72175440.

The product of its (nonzero) digits is 2646000, while the sum is 52.

The spelling of 13116451567705 in words is "thirteen trillion, one hundred sixteen billion, four hundred fifty-one million, five hundred sixty-seven thousand, seven hundred five".