11034431405 has 4 divisors (see below), whose sum is σ = 13241317692. Its totient is φ = 8827545120.

The previous prime is 11034431371. The next prime is 11034431477. The reversal of 11034431405 is 50413443011.

It is a happy number.

11034431405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8620379716 + 2414051689 = 92846^2 + 49133^2 .

It is not a de Polignac number, because 11034431405 - 2⁶ = 11034431341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103443136 + ... + 1103443145.

It is an arithmetic number, because the mean of its divisors is an integer number (3310329423).

Almost surely, 2^11034431405 is an apocalyptic number.

It is an amenable number.

11034431405 is a deficient number, since it is larger than the sum of its proper divisors (2206886287).

11034431405 is an equidigital number, since it uses as much as digits as its factorization.

11034431405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206886286.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 11034431405 its reverse (50413443011), we get a palindrome (61447874416).

The spelling of 11034431405 in words is "eleven billion, thirty-four million, four hundred thirty-one thousand, four hundred five".