11245221153 has 24 divisors (see below), whose sum is σ = 16627033280. Its totient is φ = 7319743200.

The previous prime is 11245221137. The next prime is 11245221161. The reversal of 11245221153 is 35112254211.

It is a happy number.

11245221153 is a `hidden beast` number, since 1 + 1 + 24 + 522 + 115 + 3 = 666.

It is not a de Polignac number, because 11245221153 - 2⁴ = 11245221137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11245223153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1913103 + ... + 1918971.

Almost surely, 2^11245221153 is an apocalyptic number.

It is an amenable number.

11245221153 is a deficient number, since it is larger than the sum of its proper divisors (5381812127).

11245221153 is a wasteful number, since it uses less digits than its factorization.

11245221153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10869 (or 10866 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

Adding to 11245221153 its reverse (35112254211), we get a palindrome (46357475364).

The spelling of 11245221153 in words is "eleven billion, two hundred forty-five million, two hundred twenty-one thousand, one hundred fifty-three".