520227647155103 has 4 divisors (see below), whose sum is σ = 522693181028088. Its totient is φ = 517762113282120.

The previous prime is 520227647155039. The next prime is 520227647155141. The reversal of 520227647155103 is 301551746722025.

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 520227647155103 - 2⁶ = 520227647155039 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 (520227647158103) 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, 1232766936176 + ... + 1232766936597.

It is an arithmetic number, because the mean of its divisors is an integer number (130673295257022).

Almost surely, 2^{520227647155103} is an apocalyptic number.

520227647155103 is a deficient number, since it is larger than the sum of its proper divisors (2465533872985).

520227647155103 is a wasteful number, since it uses less digits than its factorization.

520227647155103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465533872984.

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 520227647155103 in words is "five hundred twenty trillion, two hundred twenty-seven billion, six hundred forty-seven million, one hundred fifty-five thousand, one hundred three".