520200105221051 has 8 divisors (see below), whose sum is σ = 521041076040240. Its totient is φ = 519359813429248.

The previous prime is 520200105221033. The next prime is 520200105221107. The reversal of 520200105221051 is 150122501002025.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 520200105221051 - 2¹⁰ = 520200105220027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 520200105221051.

It is not an unprimeable number, because it can be changed into a prime (520200105226051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168223406 + ... + 171287811.

It is an arithmetic number, because the mean of its divisors is an integer number (65130134505030).

Almost surely, 2^{520200105221051} is an apocalyptic number.

520200105221051 is a deficient number, since it is larger than the sum of its proper divisors (840970819189).

520200105221051 is a wasteful number, since it uses less digits than its factorization.

520200105221051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339513693.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 520200105221051 its reverse (150122501002025), we get a palindrome (670322606223076).

The spelling of 520200105221051 in words is "five hundred twenty trillion, two hundred billion, one hundred five million, two hundred twenty-one thousand, fifty-one".