505243552130 has 16 divisors (see below), whose sum is σ = 926597609784. Its totient is φ = 198284261760.

The previous prime is 505243552123. The next prime is 505243552159. The reversal of 505243552130 is 31255342505.

It can be written as a sum of positive squares in 4 ways, for example, as 291650762209 + 213592789921 = 540047^2 + 462161^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476644331 + ... + 476645390.

Almost surely, 2^505243552130 is an apocalyptic number.

505243552130 is a deficient number, since it is larger than the sum of its proper divisors (421354057654).

505243552130 is a wasteful number, since it uses less digits than its factorization.

505243552130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953289781.

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 505243552130 its reverse (31255342505), we get a palindrome (536498894635).

The spelling of 505243552130 in words is "five hundred five billion, two hundred forty-three million, five hundred fifty-two thousand, one hundred thirty".