1288461905875 has 8 divisors (see below), whose sum is σ = 1608000458688. Its totient is φ = 1030769524600.

The previous prime is 1288461905851. The next prime is 1288461905921. The reversal of 1288461905875 is 5785091648821.

It is not a de Polignac number, because 1288461905875 - 2⁹ = 1288461905363 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5153847499 + ... + 5153847748.

It is an arithmetic number, because the mean of its divisors is an integer number (201000057336).

Almost surely, 2^{1288461905875} is an apocalyptic number.

1288461905875 is a deficient number, since it is larger than the sum of its proper divisors (319538552813).

1288461905875 is an equidigital number, since it uses as much as digits as its factorization.

1288461905875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10307695262 (or 10307695252 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 64.

The spelling of 1288461905875 in words is "one trillion, two hundred eighty-eight billion, four hundred sixty-one million, nine hundred five thousand, eight hundred seventy-five".