11141856857 has 8 divisors (see below), whose sum is σ = 11799813696. Its totient is φ = 10498360752.

The previous prime is 11141856793. The next prime is 11141856871. The reversal of 11141856857 is 75865814111.

11141856857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11141856857 - 2⁶ = 11141856793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11141856157) 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 7 ways as a sum of consecutive naturals, for example, 3613598 + ... + 3616679.

It is an arithmetic number, because the mean of its divisors is an integer number (1474976712).

Almost surely, 2^11141856857 is an apocalyptic number.

It is an amenable number.

11141856857 is a deficient number, since it is larger than the sum of its proper divisors (657956839).

11141856857 is an equidigital number, since it uses as much as digits as its factorization.

11141856857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7230367.

The product of its digits is 268800, while the sum is 47.

The spelling of 11141856857 in words is "eleven billion, one hundred forty-one million, eight hundred fifty-six thousand, eight hundred fifty-seven".