11153355225 has 24 divisors (see below), whose sum is σ = 18451482720. Its totient is φ = 5944821120.

The previous prime is 11153355211. The next prime is 11153355251. The reversal of 11153355225 is 52255335111.

It is a happy number.

11153355225 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 11153355225 - 2⁵ = 11153355193 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 80421 + ... + 169629.

It is an arithmetic number, because the mean of its divisors is an integer number (768811780).

Almost surely, 2^11153355225 is an apocalyptic number.

11153355225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11153355225 is a deficient number, since it is larger than the sum of its proper divisors (7298127495).

11153355225 is a wasteful number, since it uses less digits than its factorization.

11153355225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90889 (or 90884 counting only the distinct ones).

The product of its digits is 22500, while the sum is 33.

The spelling of 11153355225 in words is "eleven billion, one hundred fifty-three million, three hundred fifty-five thousand, two hundred twenty-five".