1387513875125 has 32 divisors (see below), whose sum is σ = 1979151093504. Its totient is φ = 951361224000.

The previous prime is 1387513875113. The next prime is 1387513875151. The reversal of 1387513875125 is 5215783157831.

It is a happy number.

It is not a de Polignac number, because 1387513875125 - 2⁴ = 1387513875109 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent 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, 12090515 + ... + 12204735.

It is an arithmetic number, because the mean of its divisors is an integer number (61848471672).

Almost surely, 2^{1387513875125} is an apocalyptic number.

It is an amenable number.

1387513875125 is a deficient number, since it is larger than the sum of its proper divisors (591637218379).

1387513875125 is a wasteful number, since it uses less digits than its factorization.

1387513875125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128126 (or 128116 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 56.

The spelling of 1387513875125 in words is "one trillion, three hundred eighty-seven billion, five hundred thirteen million, eight hundred seventy-five thousand, one hundred twenty-five".