11105431224 has 32 divisors (see below), whose sum is σ = 27818154000. Its totient is φ = 3694533632.

The previous prime is 11105431219. The next prime is 11105431231. The reversal of 11105431224 is 42213450111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 11105431194 and 11105431203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442329 + ... + 466760.

Almost surely, 2^11105431224 is an apocalyptic number.

It is an amenable number.

11105431224 is an abundant number, since it is smaller than the sum of its proper divisors (16712722776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11105431224 is a wasteful number, since it uses less digits than its factorization.

11105431224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909607 (or 909603 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 11105431224 its reverse (42213450111), we get a palindrome (53318881335).

The spelling of 11105431224 in words is "eleven billion, one hundred five million, four hundred thirty-one thousand, two hundred twenty-four".