11440104431 has 24 divisors (see below), whose sum is σ = 13649230944. Its totient is φ = 9556747200.

The previous prime is 11440104427. The next prime is 11440104449. The reversal of 11440104431 is 13440104411.

It is not a de Polignac number, because 11440104431 - 2² = 11440104427 is a prime.

It is a super-2 number, since 2×11440104431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11440104397 and 11440104406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440104331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 377561 + ... + 406733.

It is an arithmetic number, because the mean of its divisors is an integer number (568717956).

Almost surely, 2^11440104431 is an apocalyptic number.

11440104431 is a deficient number, since it is larger than the sum of its proper divisors (2209126513).

11440104431 is a wasteful number, since it uses less digits than its factorization.

11440104431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29391 (or 29384 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11440104431 its reverse (13440104411), we get a palindrome (24880208842).

The spelling of 11440104431 in words is "eleven billion, four hundred forty million, one hundred four thousand, four hundred thirty-one".