520333401345 has 16 divisors (see below), whose sum is σ = 835772878080. Its totient is φ = 276431335424.

The previous prime is 520333401277. The next prime is 520333401383. The reversal of 520333401345 is 543104333025.

It is a cyclic number.

It is not a de Polignac number, because 520333401345 - 2⁸ = 520333401089 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67484265 + ... + 67491974.

It is an arithmetic number, because the mean of its divisors is an integer number (52235804880).

Almost surely, 2^520333401345 is an apocalyptic number.

It is an amenable number.

520333401345 is a deficient number, since it is larger than the sum of its proper divisors (315439476735).

520333401345 is a wasteful number, since it uses less digits than its factorization.

520333401345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134976504.

The product of its (nonzero) digits is 64800, while the sum is 33.

The spelling of 520333401345 in words is "five hundred twenty billion, three hundred thirty-three million, four hundred one thousand, three hundred forty-five".