11431442411 has 8 divisors (see below), whose sum is σ = 11789124864. Its totient is φ = 11076324480.

The previous prime is 11431442387. The next prime is 11431442419. The reversal of 11431442411 is 11424413411.

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 a de Polignac number, because none of the positive numbers 2^k-11431442411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11431442419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632075 + ... + 649908.

It is an arithmetic number, because the mean of its divisors is an integer number (1473640608).

Almost surely, 2^11431442411 is an apocalyptic number.

11431442411 is a deficient number, since it is larger than the sum of its proper divisors (357682453).

11431442411 is a wasteful number, since it uses less digits than its factorization.

11431442411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282261.

The product of its digits is 1536, while the sum is 26.

Adding to 11431442411 its reverse (11424413411), we get a palindrome (22855855822).

The spelling of 11431442411 in words is "eleven billion, four hundred thirty-one million, four hundred forty-two thousand, four hundred eleven".