450144022515311 has 4 divisors (see below), whose sum is σ = 450144082047000. Its totient is φ = 450143962983624.

The previous prime is 450144022515277. The next prime is 450144022515389. The reversal of 450144022515311 is 113515220441054.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450144022515311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450134022515311) 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, 16433021 + ... + 34210118.

It is an arithmetic number, because the mean of its divisors is an integer number (112536020511750).

Almost surely, 2^{450144022515311} is an apocalyptic number.

450144022515311 is a deficient number, since it is larger than the sum of its proper divisors (59531689).

450144022515311 is an equidigital number, since it uses as much as digits as its factorization.

450144022515311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59531688.

The product of its (nonzero) digits is 96000, while the sum is 38.

Adding to 450144022515311 its reverse (113515220441054), we get a palindrome (563659242956365).

The spelling of 450144022515311 in words is "four hundred fifty trillion, one hundred forty-four billion, twenty-two million, five hundred fifteen thousand, three hundred eleven".