505351450511 has 8 divisors (see below), whose sum is σ = 506511622848. Its totient is φ = 504191556000.

The previous prime is 505351450447. The next prime is 505351450547. The reversal of 505351450511 is 115054153505.

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 505351450511 - 2⁶ = 505351450447 is a prime.

It is a super-2 number, since 2×505351450511² (a number of 24 digits) contains 22 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 (505351450561) 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, 3821681 + ... + 3951701.

It is an arithmetic number, because the mean of its divisors is an integer number (63313952856).

Almost surely, 2^505351450511 is an apocalyptic number.

505351450511 is a deficient number, since it is larger than the sum of its proper divisors (1160172337).

505351450511 is a wasteful number, since it uses less digits than its factorization.

505351450511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138913.

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 505351450511 in words is "five hundred five billion, three hundred fifty-one million, four hundred fifty thousand, five hundred eleven".