1286563264448 has 168 divisors, whose sum is σ = 3242105564544. Its totient is φ = 500906380800.

The previous prime is 1286563264387. The next prime is 1286563264457. The reversal of 1286563264448 is 8444623656821.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52111115 + ... + 52135797.

It is an arithmetic number, because the mean of its divisors is an integer number (19298247408).

Almost surely, 2^{1286563264448} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1286563264448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1621052782272).

1286563264448 is an abundant number, since it is smaller than the sum of its proper divisors (1955542300096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1286563264448 is a wasteful number, since it uses less digits than its factorization.

1286563264448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26231 (or 26214 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 59.

The spelling of 1286563264448 in words is "one trillion, two hundred eighty-six billion, five hundred sixty-three million, two hundred sixty-four thousand, four hundred forty-eight".