1288473190865 has 16 divisors (see below), whose sum is σ = 1784204767488. Its totient is φ = 874946563776.

The previous prime is 1288473190817. The next prime is 1288473190883. The reversal of 1288473190865 is 5680913748821.

It is a cyclic number.

It is not a de Polignac number, because 1288473190865 - 2²⁰ = 1288472142289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1288473190798 and 1288473190807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178702802 + ... + 178710011.

It is an arithmetic number, because the mean of its divisors is an integer number (111512797968).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1288473190865 = 2576946381730, but 3⋅1288473190865 = 3865419572595 is not.

Almost surely, 2^{1288473190865} is an apocalyptic number.

It is an amenable number.

1288473190865 is a deficient number, since it is larger than the sum of its proper divisors (495731576623).

1288473190865 is a wasteful number, since it uses less digits than its factorization.

1288473190865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357412928.

The product of its (nonzero) digits is 23224320, while the sum is 62.

The spelling of 1288473190865 in words is "one trillion, two hundred eighty-eight billion, four hundred seventy-three million, one hundred ninety thousand, eight hundred sixty-five".