10811857 has 8 divisors (see below), whose sum is σ = 12541376. Its totient is φ = 9128592.

The previous prime is 10811831. The next prime is 10811897. The reversal of 10811857 is 75811801.

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 10811857 - 2⁷ = 10811729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10811897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11058 + ... + 11995.

It is an arithmetic number, because the mean of its divisors is an integer number (1567672).

Almost surely, 2^10811857 is an apocalyptic number.

It is an amenable number.

10811857 is a deficient number, since it is larger than the sum of its proper divisors (1729519).

10811857 is an equidigital number, since it uses as much as digits as its factorization.

10811857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23127.

The product of its (nonzero) digits is 2240, while the sum is 31.

The square root of 10811857 is about 3288.1388352684. The cubic root of 10811857 is about 221.1227521141.

The spelling of 10811857 in words is "ten million, eight hundred eleven thousand, eight hundred fifty-seven".