520336316881 has 8 divisors (see below), whose sum is σ = 520625802464. Its totient is φ = 520046904960.

The previous prime is 520336316873. The next prime is 520336316923. The reversal of 520336316881 is 188613633025.

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 520336316881 - 2³ = 520336316873 is a prime.

It is a super-2 number, since 2×520336316881² (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 (520336416881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19452286 + ... + 19479016.

It is an arithmetic number, because the mean of its divisors is an integer number (65078225308).

Almost surely, 2^520336316881 is an apocalyptic number.

It is an amenable number.

520336316881 is a deficient number, since it is larger than the sum of its proper divisors (289485583).

520336316881 is a wasteful number, since it uses less digits than its factorization.

520336316881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36831.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 520336316881 in words is "five hundred twenty billion, three hundred thirty-six million, three hundred sixteen thousand, eight hundred eighty-one".