10385666125 has 8 divisors (see below), whose sum is σ = 12961311480. Its totient is φ = 8308532800.

The previous prime is 10385666119. The next prime is 10385666143. The reversal of 10385666125 is 52166658301.

It can be written as a sum of positive squares in 4 ways, for example, as 2182197796 + 8203468329 = 46714^2 + 90573^2 .

It is not a de Polignac number, because 10385666125 - 2⁹ = 10385665613 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41542540 + ... + 41542789.

It is an arithmetic number, because the mean of its divisors is an integer number (1620163935).

Almost surely, 2^10385666125 is an apocalyptic number.

It is an amenable number.

10385666125 is a deficient number, since it is larger than the sum of its proper divisors (2575645355).

10385666125 is an frugal number, since it uses more digits than its factorization.

10385666125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83085344 (or 83085334 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 10385666125 in words is "ten billion, three hundred eighty-five million, six hundred sixty-six thousand, one hundred twenty-five".