520150534534454 has 16 divisors (see below), whose sum is σ = 821306283966000. Its totient is φ = 246382305421824.

The previous prime is 520150534534409. The next prime is 520150534534481. The reversal of 520150534534454 is 454435435051025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131071547 + ... + 134981670.

It is an arithmetic number, because the mean of its divisors is an integer number (51331642747875).

Almost surely, 2^{520150534534454} is an apocalyptic number.

520150534534454 is a deficient number, since it is larger than the sum of its proper divisors (301155749431546).

520150534534454 is a wasteful number, since it uses less digits than its factorization.

520150534534454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266104687.

The product of its (nonzero) digits is 14400000, while the sum is 50.

Adding to 520150534534454 its reverse (454435435051025), we get a palindrome (974585969585479).

The spelling of 520150534534454 in words is "five hundred twenty trillion, one hundred fifty billion, five hundred thirty-four million, five hundred thirty-four thousand, four hundred fifty-four".