520501010135530 has 8 divisors (see below), whose sum is σ = 936901818243972. Its totient is φ = 208200404054208.

The previous prime is 520501010135507. The next prime is 520501010135563. The reversal of 520501010135530 is 35531010105025.

It can be written as a sum of positive squares in 2 ways, for example, as 446246063464369 + 74254946671161 = 21124537^2 + 8617131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×520501010135530³ (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520501010135492 and 520501010135501.

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, 26025050506767 + ... + 26025050506786.

Almost surely, 2^{520501010135530} is an apocalyptic number.

520501010135530 is a deficient number, since it is larger than the sum of its proper divisors (416400808108442).

520501010135530 is a wasteful number, since it uses less digits than its factorization.

520501010135530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52050101013560.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 520501010135530 in words is "five hundred twenty trillion, five hundred one billion, ten million, one hundred thirty-five thousand, five hundred thirty".