1288147423717 has 72 divisors (see below), whose sum is σ = 1673792615040. Its totient is φ = 987501715200.

The previous prime is 1288147423711. The next prime is 1288147423747. The reversal of 1288147423717 is 7173247418821.

It is a de Polignac number, because none of the positive numbers 2^k-1288147423717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288147423711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 412733917 + ... + 412737037.

Almost surely, 2^{1288147423717} is an apocalyptic number.

It is an amenable number.

1288147423717 is a deficient number, since it is larger than the sum of its proper divisors (385645191323).

1288147423717 is a wasteful number, since it uses less digits than its factorization.

1288147423717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4263 (or 4245 counting only the distinct ones).

The product of its digits is 4214784, while the sum is 55.

The spelling of 1288147423717 in words is "one trillion, two hundred eighty-eight billion, one hundred forty-seven million, four hundred twenty-three thousand, seven hundred seventeen".