11434104431 has 4 divisors (see below), whose sum is σ = 11444233200. Its totient is φ = 11423975664.

The previous prime is 11434104377. The next prime is 11434104433. The reversal of 11434104431 is 13440143411.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11434104431 is a prime.

It is a super-2 number, since 2×11434104431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11434104431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11434104433) 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, 5062691 + ... + 5064948.

It is an arithmetic number, because the mean of its divisors is an integer number (2861058300).

Almost surely, 2^11434104431 is an apocalyptic number.

11434104431 is a deficient number, since it is larger than the sum of its proper divisors (10128769).

11434104431 is a wasteful number, since it uses less digits than its factorization.

11434104431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10128768.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 11434104431 its reverse (13440143411), we get a palindrome (24874247842).

The spelling of 11434104431 in words is "eleven billion, four hundred thirty-four million, one hundred four thousand, four hundred thirty-one".