11118226249 has 9 divisors (see below), whose sum is σ = 12040747239. Its totient is φ = 10261712760.

The previous prime is 11118226247. The next prime is 11118226261. The reversal of 11118226249 is 94262281111.

The square root of 11118226249 is 105443.

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

11118226249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1644708025 + 9473518224 = 40555^2 + 97332^2 .

It is not a de Polignac number, because 11118226249 - 2¹ = 11118226247 is a prime.

It is a super-2 number, since 2×11118226249² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11118226247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1366704 + ... + 1374814.

Almost surely, 2^11118226249 is an apocalyptic number.

11118226249 is the 105443-rd square number.

11118226249 is the 52722-nd centered octagonal number.

It is an amenable number.

11118226249 is a deficient number, since it is larger than the sum of its proper divisors (922520990).

11118226249 is an frugal number, since it uses more digits than its factorization.

11118226249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16248 (or 8124 counting only the distinct ones).

The product of its digits is 13824, while the sum is 37.

The spelling of 11118226249 in words is "eleven billion, one hundred eighteen million, two hundred twenty-six thousand, two hundred forty-nine".