1268788144375 has 40 divisors (see below), whose sum is σ = 1601716899024. Its totient is φ = 1004651040000.

The previous prime is 1268788144373. The next prime is 1268788144439. The reversal of 1268788144375 is 5734418878621.

It is not a de Polignac number, because 1268788144375 - 2¹ = 1268788144373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268788144373) 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 39 ways as a sum of consecutive naturals, for example, 81111555 + ... + 81127195.

Almost surely, 2^{1268788144375} is an apocalyptic number.

1268788144375 is a deficient number, since it is larger than the sum of its proper divisors (332928754649).

1268788144375 is a wasteful number, since it uses less digits than its factorization.

1268788144375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16981 (or 16966 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 64.

The spelling of 1268788144375 in words is "one trillion, two hundred sixty-eight billion, seven hundred eighty-eight million, one hundred forty-four thousand, three hundred seventy-five".