13894782355585 has 16 divisors (see below), whose sum is σ = 16688176560000. Its totient is φ = 11106201899520.

The previous prime is 13894782355577. The next prime is 13894782355589. The reversal of 13894782355585 is 58555328749831.

It is not a de Polignac number, because 13894782355585 - 2³ = 13894782355577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13894782355589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108792774 + ... + 108920416.

It is an arithmetic number, because the mean of its divisors is an integer number (1043011035000).

Almost surely, 2^{13894782355585} is an apocalyptic number.

It is an amenable number.

13894782355585 is a deficient number, since it is larger than the sum of its proper divisors (2793394204415).

13894782355585 is a wasteful number, since it uses less digits than its factorization.

13894782355585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146328.

The product of its digits is 1451520000, while the sum is 73.

The spelling of 13894782355585 in words is "thirteen trillion, eight hundred ninety-four billion, seven hundred eighty-two million, three hundred fifty-five thousand, five hundred eighty-five".