520115516203 has 4 divisors (see below), whose sum is σ = 520364496520. Its totient is φ = 519866535888.

The previous prime is 520115516201. The next prime is 520115516209. The reversal of 520115516203 is 302615511025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 520115516203 - 2¹ = 520115516201 is a prime.

It is a super-2 number, since 2×520115516203² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520115516201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124487025 + ... + 124491202.

It is an arithmetic number, because the mean of its divisors is an integer number (130091124130).

Almost surely, 2^520115516203 is an apocalyptic number.

520115516203 is a deficient number, since it is larger than the sum of its proper divisors (248980317).

520115516203 is a wasteful number, since it uses less digits than its factorization.

520115516203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248980316.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 520115516203 in words is "five hundred twenty billion, one hundred fifteen million, five hundred sixteen thousand, two hundred three".