11284945321 has 8 divisors (see below), whose sum is σ = 12867901704. Its totient is φ = 9804115200.

The previous prime is 11284945319. The next prime is 11284945339. The reversal of 11284945321 is 12354948211.

It can be written as a sum of positive squares in 4 ways, for example, as 2042045721 + 9242899600 = 45189^2 + 96140^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11284945321 - 2¹ = 11284945319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11284945361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25531330 + ... + 25531771.

It is an arithmetic number, because the mean of its divisors is an integer number (1608487713).

Almost surely, 2^11284945321 is an apocalyptic number.

It is an amenable number.

11284945321 is a deficient number, since it is larger than the sum of its proper divisors (1582956383).

11284945321 is a wasteful number, since it uses less digits than its factorization.

11284945321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51063131.

The product of its digits is 69120, while the sum is 40.

The spelling of 11284945321 in words is "eleven billion, two hundred eighty-four million, nine hundred forty-five thousand, three hundred twenty-one".