505332545125421 has 12 divisors (see below), whose sum is σ = 547209129499200. Its totient is φ = 466448265475920.

The previous prime is 505332545125411. The next prime is 505332545125433. The reversal of 505332545125421 is 124521545233505.

It is not a de Polignac number, because 505332545125421 - 2³⁰ = 505331471383597 is a prime.

It is a super-3 number, since 3×505332545125421³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505332545125411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33904415 + ... + 46477676.

It is an arithmetic number, because the mean of its divisors is an integer number (45600760791600).

Almost surely, 2^{505332545125421} is an apocalyptic number.

It is an amenable number.

505332545125421 is a deficient number, since it is larger than the sum of its proper divisors (41876584373779).

505332545125421 is a wasteful number, since it uses less digits than its factorization.

505332545125421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80419316 (or 80419303 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 47.

The spelling of 505332545125421 in words is "five hundred five trillion, three hundred thirty-two billion, five hundred forty-five million, one hundred twenty-five thousand, four hundred twenty-one".