14115578681 has 2 divisors, whose sum is σ = 14115578682. Its totient is φ = 14115578680.

The previous prime is 14115578663. The next prime is 14115578683. The reversal of 14115578681 is 18687551141.

14115578681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13136827456 + 978751225 = 114616^2 + 31285^2 .

It is a cyclic number.

It is not a de Polignac number, because 14115578681 - 2¹⁴ = 14115562297 is a prime.

It is a super-2 number, since 2×14115578681² (a number of 21 digits) contains 22 as substring.

Together with 14115578683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14115578683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7057789340 + 7057789341.

It is an arithmetic number, because the mean of its divisors is an integer number (7057789341).

Almost surely, 2^14115578681 is an apocalyptic number.

It is an amenable number.

14115578681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14115578681 is an equidigital number, since it uses as much as digits as its factorization.

14115578681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 268800, while the sum is 47.

The spelling of 14115578681 in words is "fourteen billion, one hundred fifteen million, five hundred seventy-eight thousand, six hundred eighty-one".