11121825 has 96 divisors (see below), whose sum is σ = 23248512. Its totient is φ = 4608000.

The previous prime is 11121823. The next prime is 11121841. The reversal of 11121825 is 52812111.

11121825 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11121825 - 2¹ = 11121823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 182295 + ... + 182355.

It is an arithmetic number, because the mean of its divisors is an integer number (242172).

Almost surely, 2^11121825 is an apocalyptic number.

11121825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11121825 is an abundant number, since it is smaller than the sum of its proper divisors (12126687).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121825 is a wasteful number, since it uses less digits than its factorization.

11121825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 110 counting only the distinct ones).

The product of its digits is 160, while the sum is 21.

The square root of 11121825 is about 3334.9400294458. The cubic root of 11121825 is about 223.2160159561.

Adding to 11121825 its reverse (52812111), we get a palindrome (63933936).

The spelling of 11121825 in words is "eleven million, one hundred twenty-one thousand, eight hundred twenty-five".