10605255385 has 4 divisors (see below), whose sum is σ = 12726306468. Its totient is φ = 8484204304.

The previous prime is 10605255379. The next prime is 10605255407. The reversal of 10605255385 is 58355250601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58355250601 = 19 ⋅3071328979.

It can be written as a sum of positive squares in 2 ways, for example, as 5392992969 + 5212262416 = 73437^2 + 72196^2 .

It is a cyclic number.

It is not a de Polignac number, because 10605255385 - 2²⁷ = 10471037657 is a prime.

It is a super-2 number, since 2×10605255385² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1060525534 + ... + 1060525543.

It is an arithmetic number, because the mean of its divisors is an integer number (3181576617).

Almost surely, 2^10605255385 is an apocalyptic number.

It is an amenable number.

10605255385 is a deficient number, since it is larger than the sum of its proper divisors (2121051083).

10605255385 is an equidigital number, since it uses as much as digits as its factorization.

10605255385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121051082.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 10605255385 in words is "ten billion, six hundred five million, two hundred fifty-five thousand, three hundred eighty-five".