520143045316100 has 36 divisors (see below), whose sum is σ = 1128802258216500. Its totient is φ = 208040287272960.

The previous prime is 520143045316093. The next prime is 520143045316127. The reversal of 520143045316100 is 1613540341025.

It can be written as a sum of positive squares in 6 ways, for example, as 3999808002304 + 516143237313796 = 1999952^2 + 22718786^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210400625 + ... + 212858424.

Almost surely, 2^{520143045316100} is an apocalyptic number.

520143045316100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

520143045316100 is an abundant number, since it is smaller than the sum of its proper divisors (608659212900400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520143045316100 is a wasteful number, since it uses less digits than its factorization.

520143045316100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423271352 (or 423271345 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 520143045316100 its reverse (1613540341025), we get a palindrome (521756585657125).

The spelling of 520143045316100 in words is "five hundred twenty trillion, one hundred forty-three billion, forty-five million, three hundred sixteen thousand, one hundred".