11253422505 has 128 divisors (see below), whose sum is σ = 20855278080. Its totient is φ = 5135892480.

The previous prime is 11253422503. The next prime is 11253422519. The reversal of 11253422505 is 50522435211.

11253422505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11253422505 - 2¹ = 11253422503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11253422501) 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 127 ways as a sum of consecutive naturals, for example, 62173515 + ... + 62173695.

It is an arithmetic number, because the mean of its divisors is an integer number (162931860).

Almost surely, 2^11253422505 is an apocalyptic number.

11253422505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11253422505 is a deficient number, since it is larger than the sum of its proper divisors (9601855575).

11253422505 is a wasteful number, since it uses less digits than its factorization.

11253422505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 11253422505 its reverse (50522435211), we get a palindrome (61775857716).

The spelling of 11253422505 in words is "eleven billion, two hundred fifty-three million, four hundred twenty-two thousand, five hundred five".