516505551505 has 8 divisors (see below), whose sum is σ = 619820006400. Its totient is φ = 413195544816.

The previous prime is 516505551491. The next prime is 516505551521. The reversal of 516505551505 is 505155505615.

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 516505551505 - 2¹³ = 516505543313 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851025 + ... + 1325614.

It is an arithmetic number, because the mean of its divisors is an integer number (77477500800).

Almost surely, 2^516505551505 is an apocalyptic number.

It is an amenable number.

516505551505 is a deficient number, since it is larger than the sum of its proper divisors (103314454895).

516505551505 is a wasteful number, since it uses less digits than its factorization.

516505551505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224103.

The product of its (nonzero) digits is 468750, while the sum is 43.

The spelling of 516505551505 in words is "five hundred sixteen billion, five hundred five million, five hundred fifty-one thousand, five hundred five".