520150534534501 has 4 divisors (see below), whose sum is σ = 560162114114092. Its totient is φ = 480138954954912.

The previous prime is 520150534534481. The next prime is 520150534534517. The reversal of 520150534534501 is 105435435051025.

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 243303032134276 + 276847502400225 = 15598174^2 + 16638735^2 .

It is a cyclic number.

It is not a de Polignac number, because 520150534534501 - 2⁷ = 520150534534373 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 (520150534534901) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20005789789776 + ... + 20005789789801.

It is an arithmetic number, because the mean of its divisors is an integer number (140040528528523).

Almost surely, 2^{520150534534501} is an apocalyptic number.

It is an amenable number.

520150534534501 is a deficient number, since it is larger than the sum of its proper divisors (40011579579591).

520150534534501 is a wasteful number, since it uses less digits than its factorization.

520150534534501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40011579579590.

The product of its (nonzero) digits is 900000, while the sum is 43.

Adding to 520150534534501 its reverse (105435435051025), we get a palindrome (625585969585526).

The spelling of 520150534534501 in words is "five hundred twenty trillion, one hundred fifty billion, five hundred thirty-four million, five hundred thirty-four thousand, five hundred one".