1388250012625 has 16 divisors (see below), whose sum is σ = 1980041162112. Its totient is φ = 951942865200.

The previous prime is 1388250012619. The next prime is 1388250012749. The reversal of 1388250012625 is 5262100528831.

It is not a de Polignac number, because 1388250012625 - 2¹¹ = 1388250010577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793284847 + ... + 793286596.

It is an arithmetic number, because the mean of its divisors is an integer number (123752572632).

Almost surely, 2^{1388250012625} is an apocalyptic number.

It is an amenable number.

1388250012625 is a deficient number, since it is larger than the sum of its proper divisors (591791149487).

1388250012625 is an equidigital number, since it uses as much as digits as its factorization.

1388250012625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586571465 (or 1586571455 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 1388250012625 in words is "one trillion, three hundred eighty-eight billion, two hundred fifty million, twelve thousand, six hundred twenty-five".