12454043551 has 2 divisors, whose sum is σ = 12454043552. Its totient is φ = 12454043550.

The previous prime is 12454043513. The next prime is 12454043579. The reversal of 12454043551 is 15534045421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12454043551 - 2⁷ = 12454043423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12454043051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6227021775 + 6227021776.

It is an arithmetic number, because the mean of its divisors is an integer number (6227021776).

Almost surely, 2^12454043551 is an apocalyptic number.

12454043551 is a deficient number, since it is larger than the sum of its proper divisors (1).

12454043551 is an equidigital number, since it uses as much as digits as its factorization.

12454043551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 12454043551 its reverse (15534045421), we get a palindrome (27988088972).

The spelling of 12454043551 in words is "twelve billion, four hundred fifty-four million, forty-three thousand, five hundred fifty-one".