11431105 has 16 divisors (see below), whose sum is σ = 16012800. Its totient is φ = 7670592.

The previous prime is 11431099. The next prime is 11431109. The reversal of 11431105 is 50113411.

11431105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11431105 - 2¹¹ = 11429057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11431109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1830 + ... + 5119.

It is an arithmetic number, because the mean of its divisors is an integer number (1000800).

Almost surely, 2^11431105 is an apocalyptic number.

It is an amenable number.

11431105 is a deficient number, since it is larger than the sum of its proper divisors (4581695).

11431105 is an equidigital number, since it uses as much as digits as its factorization.

11431105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7008.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 11431105 is about 3380.9917184164. The cubic root of 11431105 is about 225.2662198640.

Adding to 11431105 its reverse (50113411), we get a palindrome (61544516).

The spelling of 11431105 in words is "eleven million, four hundred thirty-one thousand, one hundred five".