11243209156 has 9 divisors (see below), whose sum is σ = 19675987149. Its totient is φ = 5621498544.

The previous prime is 11243209141. The next prime is 11243209217. The reversal of 11243209156 is 65190234211.

The square root of 11243209156 is 106034.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10759912900 + 483296256 = 103730^2 + 21984^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 185560 + ... + 238576.

Almost surely, 2^11243209156 is an apocalyptic number.

11243209156 is the 106034-th square number.

It is an amenable number.

11243209156 is a deficient number, since it is larger than the sum of its proper divisors (8432777993).

11243209156 is an frugal number, since it uses more digits than its factorization.

11243209156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106038 (or 53019 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 11243209156 in words is "eleven billion, two hundred forty-three million, two hundred nine thousand, one hundred fifty-six".