11205140424 has 16 divisors (see below), whose sum is σ = 28012851120. Its totient is φ = 3735046800.

The previous prime is 11205140407. The next prime is 11205140449. The reversal of 11205140424 is 42404150211.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 466880851 = 11205140424 / (1 + 1 + 2 + 0 + 5 + 1 + 4 + 0 + 4 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 11205140394 and 11205140403.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 233440402 + ... + 233440449.

It is an arithmetic number, because the mean of its divisors is an integer number (1750803195).

Almost surely, 2^11205140424 is an apocalyptic number.

It is an amenable number.

11205140424 is an abundant number, since it is smaller than the sum of its proper divisors (16807710696).

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

11205140424 is a wasteful number, since it uses less digits than its factorization.

11205140424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466880860 (or 466880856 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 11205140424 its reverse (42404150211), we get a palindrome (53609290635).

The spelling of 11205140424 in words is "eleven billion, two hundred five million, one hundred forty thousand, four hundred twenty-four".