12551045055463 has 2 divisors, whose sum is σ = 12551045055464. Its totient is φ = 12551045055462.

The previous prime is 12551045055379. The next prime is 12551045055469. The reversal of 12551045055463 is 36455054015521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12551045055463 is a prime.

It is a super-4 number, since 4×12551045055463⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12551045055469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6275522527731 + 6275522527732.

It is an arithmetic number, because the mean of its divisors is an integer number (6275522527732).

Almost surely, 2^{12551045055463} is an apocalyptic number.

12551045055463 is a deficient number, since it is larger than the sum of its proper divisors (1).

12551045055463 is an equidigital number, since it uses as much as digits as its factorization.

12551045055463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800000, while the sum is 46.

The spelling of 12551045055463 in words is "twelve trillion, five hundred fifty-one billion, forty-five million, fifty-five thousand, four hundred sixty-three".