11557224206 has 32 divisors (see below), whose sum is σ = 20072344320. Its totient is φ = 4932400000.

The previous prime is 11557224199. The next prime is 11557224209. The reversal of 11557224206 is 60242275511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11557224209) 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 15 ways as a sum of consecutive naturals, for example, 119831 + ... + 193581.

It is an arithmetic number, because the mean of its divisors is an integer number (627260760).

Almost surely, 2^11557224206 is an apocalyptic number.

11557224206 is a deficient number, since it is larger than the sum of its proper divisors (8515120114).

11557224206 is a wasteful number, since it uses less digits than its factorization.

11557224206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74200.

The product of its (nonzero) digits is 33600, while the sum is 35.

Adding to 11557224206 its reverse (60242275511), we get a palindrome (71799499717).

The spelling of 11557224206 in words is "eleven billion, five hundred fifty-seven million, two hundred twenty-four thousand, two hundred six".