1388765013875 has 32 divisors (see below), whose sum is σ = 1748888803584. Its totient is φ = 1100945664000.

The previous prime is 1388765013799. The next prime is 1388765013893. The reversal of 1388765013875 is 5783105678831.

It is not a de Polignac number, because 1388765013875 - 2²⁰ = 1388763965299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100577222 + ... + 100591028.

It is an arithmetic number, because the mean of its divisors is an integer number (54652775112).

Almost surely, 2^{1388765013875} is an apocalyptic number.

1388765013875 is a deficient number, since it is larger than the sum of its proper divisors (360123789709).

1388765013875 is a wasteful number, since it uses less digits than its factorization.

1388765013875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21056 (or 21046 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 62.

The spelling of 1388765013875 in words is "one trillion, three hundred eighty-eight billion, seven hundred sixty-five million, thirteen thousand, eight hundred seventy-five".