11434643411 has 4 divisors (see below), whose sum is σ = 12107269512. Its totient is φ = 10762017312.

The previous prime is 11434643399. The next prime is 11434643443.

11434643411 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11434643411 - 2¹⁸ = 11434381267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11434643471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336313025 + ... + 336313058.

It is an arithmetic number, because the mean of its divisors is an integer number (3026817378).

Almost surely, 2^11434643411 is an apocalyptic number.

11434643411 is a deficient number, since it is larger than the sum of its proper divisors (672626101).

11434643411 is an equidigital number, since it uses as much as digits as its factorization.

11434643411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672626100.

The product of its digits is 13824, while the sum is 32.

The spelling of 11434643411 in words is "eleven billion, four hundred thirty-four million, six hundred forty-three thousand, four hundred eleven".