11425045321 has 4 divisors (see below), whose sum is σ = 11438440132. Its totient is φ = 11411650512.

The previous prime is 11425045309. The next prime is 11425045391. The reversal of 11425045321 is 12354052411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12354052411 = 76481 ⋅161531.

It can be written as a sum of positive squares in 2 ways, for example, as 3691777600 + 7733267721 = 60760^2 + 87939^2 .

It is a cyclic number.

It is not a de Polignac number, because 11425045321 - 2⁷ = 11425045193 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 11425045321.

It is not an unprimeable number, because it can be changed into a prime (11425045391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6696126 + ... + 6697831.

It is an arithmetic number, because the mean of its divisors is an integer number (2859610033).

Almost surely, 2^11425045321 is an apocalyptic number.

It is an amenable number.

11425045321 is a deficient number, since it is larger than the sum of its proper divisors (13394811).

11425045321 is an equidigital number, since it uses as much as digits as its factorization.

11425045321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13394810.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 11425045321 its reverse (12354052411), we get a palindrome (23779097732).

The spelling of 11425045321 in words is "eleven billion, four hundred twenty-five million, forty-five thousand, three hundred twenty-one".