1385702872825 has 24 divisors (see below), whose sum is σ = 1722348790400. Its totient is φ = 1105932864960.

The previous prime is 1385702872769. The next prime is 1385702872843. The reversal of 1385702872825 is 5282782075831.

It is a happy number.

It is not a de Polignac number, because 1385702872825 - 2⁹ = 1385702872313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1385702872825.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72091066 + ... + 72110284.

Almost surely, 2^{1385702872825} is an apocalyptic number.

It is an amenable number.

1385702872825 is a deficient number, since it is larger than the sum of its proper divisors (336645917575).

1385702872825 is a wasteful number, since it uses less digits than its factorization.

1385702872825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25921 (or 25916 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 58.

The spelling of 1385702872825 in words is "one trillion, three hundred eighty-five billion, seven hundred two million, eight hundred seventy-two thousand, eight hundred twenty-five".