11425221441 has 6 divisors (see below), whose sum is σ = 16503097650. Its totient is φ = 7616814288.

The previous prime is 11425221421. The next prime is 11425221443. The reversal of 11425221441 is 14412252411.

11425221441 is a `hidden beast` number, since 11 + 425 + 221 + 4 + 4 + 1 = 666.

11425221441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9820017216 + 1605204225 = 99096^2 + 40065^2 .

It is not a de Polignac number, because 11425221441 - 2⁶ = 11425221377 is a prime.

It is a super-2 number, since 2×11425221441² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11425221443) 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 5 ways as a sum of consecutive naturals, for example, 634734516 + ... + 634734533.

It is an arithmetic number, because the mean of its divisors is an integer number (2750516275).

Almost surely, 2^11425221441 is an apocalyptic number.

It is an amenable number.

11425221441 is a deficient number, since it is larger than the sum of its proper divisors (5077876209).

11425221441 is a wasteful number, since it uses less digits than its factorization.

11425221441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269469055 (or 1269469052 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

Adding to 11425221441 its reverse (14412252411), we get a palindrome (25837473852).

The spelling of 11425221441 in words is "eleven billion, four hundred twenty-five million, two hundred twenty-one thousand, four hundred forty-one".