14455556881 has 2 divisors, whose sum is σ = 14455556882. Its totient is φ = 14455556880.

The previous prime is 14455556873. The next prime is 14455556887. The reversal of 14455556881 is 18865555441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9527516881 + 4928040000 = 97609^2 + 70200^2 .

It is an emirp because it is prime and its reverse (18865555441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14455556881 - 2³ = 14455556873 is a prime.

It is a super-2 number, since 2×14455556881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14455556887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7227778440 + 7227778441.

It is an arithmetic number, because the mean of its divisors is an integer number (7227778441).

Almost surely, 2^14455556881 is an apocalyptic number.

It is an amenable number.

14455556881 is a deficient number, since it is larger than the sum of its proper divisors (1).

14455556881 is an equidigital number, since it uses as much as digits as its factorization.

14455556881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840000, while the sum is 52.

The spelling of 14455556881 in words is "fourteen billion, four hundred fifty-five million, five hundred fifty-six thousand, eight hundred eighty-one".