11442113225 has 12 divisors (see below), whose sum is σ = 14190436620. Its totient is φ = 9152260800.

The previous prime is 11442113201. The next prime is 11442113227. The reversal of 11442113225 is 52231124411.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 501580816 + 10940532409 = 22396^2 + 104597^2 .

It is not a de Polignac number, because 11442113225 - 2⁶ = 11442113161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11442113194 and 11442113203.

It is not an unprimeable number, because it can be changed into a prime (11442113227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145535 + ... + 209915.

It is an arithmetic number, because the mean of its divisors is an integer number (1182536385).

Almost surely, 2^11442113225 is an apocalyptic number.

It is an amenable number.

11442113225 is a deficient number, since it is larger than the sum of its proper divisors (2748323395).

11442113225 is an equidigital number, since it uses as much as digits as its factorization.

11442113225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71500 (or 71495 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

Adding to 11442113225 its reverse (52231124411), we get a palindrome (63673237636).

The spelling of 11442113225 in words is "eleven billion, four hundred forty-two million, one hundred thirteen thousand, two hundred twenty-five".