1280907159168 has 1152 divisors, whose sum is σ = 4699251547200. Its totient is φ = 305539153920.

The previous prime is 1280907159139. The next prime is 1280907159197. The reversal of 1280907159168 is 8619517090821.

It is an interprime number because it is at equal distance from previous prime (1280907159139) and next prime (1280907159197).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2458554748 + ... + 2458555268.

Almost surely, 2^{1280907159168} 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 1280907159168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2349625773600).

1280907159168 is an abundant number, since it is smaller than the sum of its proper divisors (3418344388032).

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

1280907159168 is a wasteful number, since it uses less digits than its factorization.

1280907159168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 57.

The spelling of 1280907159168 in words is "one trillion, two hundred eighty billion, nine hundred seven million, one hundred fifty-nine thousand, one hundred sixty-eight".