13751670850585 has 4 divisors (see below), whose sum is σ = 16502005020708. Its totient is φ = 11001336680464.

The previous prime is 13751670850537. The next prime is 13751670850681. The reversal of 13751670850585 is 58505807615731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3692319814681 + 10059351035904 = 1921541^2 + 3171648^2 .

It is a cyclic number.

It is not a de Polignac number, because 13751670850585 - 2²⁷ = 13751536632857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375167085054 + ... + 1375167085063.

It is an arithmetic number, because the mean of its divisors is an integer number (4125501255177).

Almost surely, 2^{13751670850585} is an apocalyptic number.

It is an amenable number.

13751670850585 is a deficient number, since it is larger than the sum of its proper divisors (2750334170123).

13751670850585 is an equidigital number, since it uses as much as digits as its factorization.

13751670850585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750334170122.

The product of its (nonzero) digits is 35280000, while the sum is 61.

The spelling of 13751670850585 in words is "thirteen trillion, seven hundred fifty-one billion, six hundred seventy million, eight hundred fifty thousand, five hundred eighty-five".