505545603130 has 8 divisors (see below), whose sum is σ = 909982085652. Its totient is φ = 202218241248.

The previous prime is 505545603119. The next prime is 505545603161. The reversal of 505545603130 is 31306545505.

It can be written as a sum of positive squares in 2 ways, for example, as 481848387409 + 23697215721 = 694153^2 + 153939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 505545603130.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25277280147 + ... + 25277280166.

Almost surely, 2^505545603130 is an apocalyptic number.

505545603130 is a deficient number, since it is larger than the sum of its proper divisors (404436482522).

505545603130 is a wasteful number, since it uses less digits than its factorization.

505545603130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50554560320.

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 505545603130 in words is "five hundred five billion, five hundred forty-five million, six hundred three thousand, one hundred thirty".