505045333212191 has 8 divisors (see below), whose sum is σ = 511153966646400. Its totient is φ = 498937265251992.

The previous prime is 505045333212187. The next prime is 505045333212197. The reversal of 505045333212191 is 191212333540505.

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 505045333212191 - 2² = 505045333212187 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 (505045333212197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139571291 + ... + 143144108.

It is an arithmetic number, because the mean of its divisors is an integer number (63894245830800).

Almost surely, 2^{505045333212191} is an apocalyptic number.

505045333212191 is a deficient number, since it is larger than the sum of its proper divisors (6108633434209).

505045333212191 is a wasteful number, since it uses less digits than its factorization.

505045333212191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282737005.

The product of its (nonzero) digits is 486000, while the sum is 44.

Adding to 505045333212191 its reverse (191212333540505), we get a palindrome (696257666752696).

The spelling of 505045333212191 in words is "five hundred five trillion, forty-five billion, three hundred thirty-three million, two hundred twelve thousand, one hundred ninety-one".