11771105 has 8 divisors (see below), whose sum is σ = 14160552. Its totient is φ = 9393408.

The previous prime is 11771099. The next prime is 11771107. The reversal of 11771105 is 50117711.

11771105 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 204304 + 11566801 = 452^2 + 3401^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11771105 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11771107) 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, 554 + ... + 4883.

It is an arithmetic number, because the mean of its divisors is an integer number (1770069).

Almost surely, 2^11771105 is an apocalyptic number.

It is an amenable number.

11771105 is a deficient number, since it is larger than the sum of its proper divisors (2389447).

11771105 is an equidigital number, since it uses as much as digits as its factorization.

11771105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875.

The product of its (nonzero) digits is 245, while the sum is 23.

The square root of 11771105 is about 3430.9043997174. The cubic root of 11771105 is about 227.4778306296.

Adding to 11771105 its reverse (50117711), we get a palindrome (61888816).

The spelling of 11771105 in words is "eleven million, seven hundred seventy-one thousand, one hundred five".