520552367999 has 4 divisors (see below), whose sum is σ = 527141638560. Its totient is φ = 513963097440.

The previous prime is 520552367983. The next prime is 520552368023. The reversal of 520552367999 is 999763255025.

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 520552367999 - 2⁴ = 520552367983 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 (520552364999) 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, 3294635162 + ... + 3294635319.

It is an arithmetic number, because the mean of its divisors is an integer number (131785409640).

Almost surely, 2^520552367999 is an apocalyptic number.

520552367999 is a deficient number, since it is larger than the sum of its proper divisors (6589270561).

520552367999 is an equidigital number, since it uses as much as digits as its factorization.

520552367999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6589270560.

The product of its (nonzero) digits is 45927000, while the sum is 62.

The spelling of 520552367999 in words is "five hundred twenty billion, five hundred fifty-two million, three hundred sixty-seven thousand, nine hundred ninety-nine".