10861871 has 4 divisors (see below), whose sum is σ = 10870200. Its totient is φ = 10853544.

The previous prime is 10861867. The next prime is 10861897. The reversal of 10861871 is 17816801.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10861871 - 2² = 10861867 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10861801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1736 + ... + 4973.

It is an arithmetic number, because the mean of its divisors is an integer number (2717550).

Almost surely, 2^10861871 is an apocalyptic number.

10861871 is a deficient number, since it is larger than the sum of its proper divisors (8329).

10861871 is an equidigital number, since it uses as much as digits as its factorization.

10861871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8328.

The product of its (nonzero) digits is 2688, while the sum is 32.

The square root of 10861871 is about 3295.7352745632. The cubic root of 10861871 is about 221.4631877500.

The spelling of 10861871 in words is "ten million, eight hundred sixty-one thousand, eight hundred seventy-one".