1144311523321 has 8 divisors (see below), whose sum is σ = 1194111100800. Its totient is φ = 1094515854432.

The previous prime is 1144311523307. The next prime is 1144311523331. The reversal of 1144311523321 is 1233251134411.

It is a happy number.

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 1144311523321 - 2⁷ = 1144311523193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144311523331) 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, 370860 + ... + 1557613.

It is an arithmetic number, because the mean of its divisors is an integer number (149263887600).

Almost surely, 2^{1144311523321} is an apocalyptic number.

It is an amenable number.

1144311523321 is a deficient number, since it is larger than the sum of its proper divisors (49799577479).

1144311523321 is a wasteful number, since it uses less digits than its factorization.

1144311523321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954295.

The product of its digits is 8640, while the sum is 31.

Adding to 1144311523321 its reverse (1233251134411), we get a palindrome (2377562657732).

The spelling of 1144311523321 in words is "one trillion, one hundred forty-four billion, three hundred eleven million, five hundred twenty-three thousand, three hundred twenty-one".