450117514257505 has 4 divisors (see below), whose sum is σ = 540141017109012. Its totient is φ = 360094011406000.

The previous prime is 450117514257473. The next prime is 450117514257539. The reversal of 450117514257505 is 505752415711054.

It is a happy number.

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 225287852006464 + 224829662251041 = 15009592^2 + 14994321^2 .

It is not a de Polignac number, because 450117514257505 - 2⁵ = 450117514257473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45011751425746 + ... + 45011751425755.

It is an arithmetic number, because the mean of its divisors is an integer number (135035254277253).

Almost surely, 2^{450117514257505} is an apocalyptic number.

It is an amenable number.

450117514257505 is a deficient number, since it is larger than the sum of its proper divisors (90023502851507).

450117514257505 is an equidigital number, since it uses as much as digits as its factorization.

450117514257505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90023502851506.

The product of its (nonzero) digits is 4900000, while the sum is 52.

Adding to 450117514257505 its reverse (505752415711054), we get a palindrome (955869929968559).

The spelling of 450117514257505 in words is "four hundred fifty trillion, one hundred seventeen billion, five hundred fourteen million, two hundred fifty-seven thousand, five hundred five".