10853257681 has 4 divisors (see below), whose sum is σ = 12403723072. Its totient is φ = 9302792292.

The previous prime is 10853257669. The next prime is 10853257721. The reversal of 10853257681 is 18675235801.

10853257681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10853257681 - 2⁹ = 10853257169 is a prime.

It is a super-2 number, since 2×10853257681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10853257601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775232685 + ... + 775232698.

It is an arithmetic number, because the mean of its divisors is an integer number (3100930768).

Almost surely, 2^10853257681 is an apocalyptic number.

It is an amenable number.

10853257681 is a deficient number, since it is larger than the sum of its proper divisors (1550465391).

10853257681 is an equidigital number, since it uses as much as digits as its factorization.

10853257681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550465390.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 10853257681 in words is "ten billion, eight hundred fifty-three million, two hundred fifty-seven thousand, six hundred eighty-one".