505125299999 has 8 divisors (see below), whose sum is σ = 506934918672. Its totient is φ = 503315856000.

The previous prime is 505125299993. The next prime is 505125300007. The reversal of 505125299999 is 999992521505.

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 505125299999 - 2⁴ = 505125299983 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 (505125299993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9326999 + ... + 9380999.

It is an arithmetic number, because the mean of its divisors is an integer number (63366864834).

Almost surely, 2^505125299999 is an apocalyptic number.

505125299999 is a deficient number, since it is larger than the sum of its proper divisors (1809618673).

505125299999 is a wasteful number, since it uses less digits than its factorization.

505125299999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87337.

The product of its (nonzero) digits is 29524500, while the sum is 65.

The spelling of 505125299999 in words is "five hundred five billion, one hundred twenty-five million, two hundred ninety-nine thousand, nine hundred ninety-nine".