1388750125015 has 16 divisors (see below), whose sum is σ = 1834679072160. Its totient is φ = 1000734030720.

The previous prime is 1388750125001. The next prime is 1388750125019. The reversal of 1388750125015 is 5105210578831.

It is a de Polignac number, because none of the positive numbers 2^k-1388750125015 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388750125019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115819704 + ... + 115831693.

It is an arithmetic number, because the mean of its divisors is an integer number (114667442010).

Almost surely, 2^{1388750125015} is an apocalyptic number.

1388750125015 is a deficient number, since it is larger than the sum of its proper divisors (445928947145).

1388750125015 is a wasteful number, since it uses less digits than its factorization.

1388750125015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231651522.

The product of its (nonzero) digits is 336000, while the sum is 46.

The spelling of 1388750125015 in words is "one trillion, three hundred eighty-eight billion, seven hundred fifty million, one hundred twenty-five thousand, fifteen".