14780678113685 has 16 divisors (see below), whose sum is σ = 19666452195072. Its totient is φ = 10573361390400.

The previous prime is 14780678113681. The next prime is 14780678113693. The reversal of 14780678113685 is 58631187608741.

It is not a de Polignac number, because 14780678113685 - 2² = 14780678113681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14780678113681) 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, 2202780269 + ... + 2202786978.

It is an arithmetic number, because the mean of its divisors is an integer number (1229153262192).

Almost surely, 2^{14780678113685} is an apocalyptic number.

It is an amenable number.

14780678113685 is a deficient number, since it is larger than the sum of its proper divisors (4885774081387).

14780678113685 is a wasteful number, since it uses less digits than its factorization.

14780678113685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405567324.

The product of its (nonzero) digits is 54190080, while the sum is 65.

The spelling of 14780678113685 in words is "fourteen trillion, seven hundred eighty billion, six hundred seventy-eight million, one hundred thirteen thousand, six hundred eighty-five".