11425220441 has 4 divisors (see below), whose sum is σ = 11640790692. Its totient is φ = 11209650192.

The previous prime is 11425220419. The next prime is 11425220461. The reversal of 11425220441 is 14402252411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14402252411 = 59557 ⋅241823.

It can be written as a sum of positive squares in 2 ways, for example, as 8322730441 + 3102490000 = 91229^2 + 55700^2 .

It is a cyclic number.

It is not a de Polignac number, because 11425220441 - 2²⁶ = 11358111577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11425220441.

It is not an unprimeable number, because it can be changed into a prime (11425220461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107785046 + ... + 107785151.

It is an arithmetic number, because the mean of its divisors is an integer number (2910197673).

Almost surely, 2^11425220441 is an apocalyptic number.

It is an amenable number.

11425220441 is a deficient number, since it is larger than the sum of its proper divisors (215570251).

11425220441 is an equidigital number, since it uses as much as digits as its factorization.

11425220441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215570250.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 11425220441 its reverse (14402252411), we get a palindrome (25827472852).

The spelling of 11425220441 in words is "eleven billion, four hundred twenty-five million, two hundred twenty thousand, four hundred forty-one".