1152441322321 has 4 divisors (see below), whose sum is σ = 1152729364644. Its totient is φ = 1152153280000.

The previous prime is 1152441322309. The next prime is 1152441322363. The reversal of 1152441322321 is 1232231442511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 166072550400 + 986368771921 = 407520^2 + 993161^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152441322321 - 2¹⁵ = 1152441289553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152441322301) 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, 144015160 + ... + 144023161.

It is an arithmetic number, because the mean of its divisors is an integer number (288182341161).

Almost surely, 2^{1152441322321} is an apocalyptic number.

It is an amenable number.

1152441322321 is a deficient number, since it is larger than the sum of its proper divisors (288042323).

1152441322321 is an equidigital number, since it uses as much as digits as its factorization.

1152441322321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288042322.

The product of its digits is 11520, while the sum is 31.

Adding to 1152441322321 its reverse (1232231442511), we get a palindrome (2384672764832).

The spelling of 1152441322321 in words is "one trillion, one hundred fifty-two billion, four hundred forty-one million, three hundred twenty-two thousand, three hundred twenty-one".