11431411111 has 8 divisors (see below), whose sum is σ = 11687491584. Its totient is φ = 11175866520.

The previous prime is 11431411091. The next prime is 11431411151. The reversal of 11431411111 is 11111413411.

It is a happy number.

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 11431411111 - 2¹¹ = 11431409063 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 (11431411151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90675 + ... + 176308.

It is an arithmetic number, because the mean of its divisors is an integer number (1460936448).

Almost surely, 2^11431411111 is an apocalyptic number.

11431411111 is a deficient number, since it is larger than the sum of its proper divisors (256080473).

11431411111 is an equidigital number, since it uses as much as digits as its factorization.

11431411111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267941.

The product of its digits is 48, while the sum is 19.

Adding to 11431411111 its reverse (11111413411), we get a palindrome (22542824522).

The spelling of 11431411111 in words is "eleven billion, four hundred thirty-one million, four hundred eleven thousand, one hundred eleven".