504405211253211 has 6 divisors (see below), whose sum is σ = 728585305143540. Its totient is φ = 336270140835468.

The previous prime is 504405211253189. The next prime is 504405211253221. The reversal of 504405211253211 is 112352112504405.

504405211253211 is a `hidden beast` number, since 5 + 0 + 4 + 4 + 0 + 5 + 2 + 112 + 532 + 1 + 1 = 666.

It is not a de Polignac number, because 504405211253211 - 2⁵ = 504405211253179 is a prime.

It is a super-3 number, since 3×504405211253211³ (a number of 45 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (504405211253221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28022511736281 + ... + 28022511736298.

It is an arithmetic number, because the mean of its divisors is an integer number (121430884190590).

Almost surely, 2^{504405211253211} is an apocalyptic number.

504405211253211 is a deficient number, since it is larger than the sum of its proper divisors (224180093890329).

504405211253211 is a wasteful number, since it uses less digits than its factorization.

504405211253211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56045023472585 (or 56045023472582 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 504405211253211 its reverse (112352112504405), we get a palindrome (616757323757616).

The spelling of 504405211253211 in words is "five hundred four trillion, four hundred five billion, two hundred eleven million, two hundred fifty-three thousand, two hundred eleven".