520853165403 has 8 divisors (see below), whose sum is σ = 716873174016. Its totient is φ = 336034300200.

The previous prime is 520853165369. The next prime is 520853165431. The reversal of 520853165403 is 304561358025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 520853165403 - 2⁹ = 520853164891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520853165003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2800285743 + ... + 2800285928.

It is an arithmetic number, because the mean of its divisors is an integer number (89609146752).

Almost surely, 2^520853165403 is an apocalyptic number.

520853165403 is a deficient number, since it is larger than the sum of its proper divisors (196020008613).

520853165403 is a wasteful number, since it uses less digits than its factorization.

520853165403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600571705.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 520853165403 in words is "five hundred twenty billion, eight hundred fifty-three million, one hundred sixty-five thousand, four hundred three".