14255451281 has 2 divisors, whose sum is σ = 14255451282. Its totient is φ = 14255451280.

The previous prime is 14255451257. The next prime is 14255451311. The reversal of 14255451281 is 18215455241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14246570881 + 8880400 = 119359^2 + 2980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14255451281 is a prime.

It is a super-2 number, since 2×14255451281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14251451281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7127725640 + 7127725641.

It is an arithmetic number, because the mean of its divisors is an integer number (7127725641).

Almost surely, 2^14255451281 is an apocalyptic number.

It is an amenable number.

14255451281 is a deficient number, since it is larger than the sum of its proper divisors (1).

14255451281 is an equidigital number, since it uses as much as digits as its factorization.

14255451281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64000, while the sum is 38.

The spelling of 14255451281 in words is "fourteen billion, two hundred fifty-five million, four hundred fifty-one thousand, two hundred eighty-one".