10861109 has 8 divisors (see below), whose sum is σ = 12840960. Its totient is φ = 8988336.

The previous prime is 10861093. The next prime is 10861117. The reversal of 10861109 is 90116801.

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

It is not a de Polignac number, because 10861109 - 2⁴ = 10861093 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10861139) 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, 26549 + ... + 26954.

It is an arithmetic number, because the mean of its divisors is an integer number (1605120).

Almost surely, 2^10861109 is an apocalyptic number.

It is an amenable number.

10861109 is a deficient number, since it is larger than the sum of its proper divisors (1979851).

10861109 is an equidigital number, since it uses as much as digits as its factorization.

10861109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53539.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 10861109 is about 3295.6196685904. The cubic root of 10861109 is about 221.4580088112.

The spelling of 10861109 in words is "ten million, eight hundred sixty-one thousand, one hundred nine".