13456542551 has 2 divisors, whose sum is σ = 13456542552. Its totient is φ = 13456542550.

The previous prime is 13456542467. The next prime is 13456542553. The reversal of 13456542551 is 15524565431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13456542551 - 2¹⁸ = 13456280407 is a prime.

It is a Sophie Germain prime.

Together with 13456542553, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13456542499 and 13456542508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13456542553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6728271275 + 6728271276.

It is an arithmetic number, because the mean of its divisors is an integer number (6728271276).

Almost surely, 2^13456542551 is an apocalyptic number.

13456542551 is a deficient number, since it is larger than the sum of its proper divisors (1).

13456542551 is an equidigital number, since it uses as much as digits as its factorization.

13456542551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360000, while the sum is 41.

The spelling of 13456542551 in words is "thirteen billion, four hundred fifty-six million, five hundred forty-two thousand, five hundred fifty-one".