505434121552 has 10 divisors (see below), whose sum is σ = 979278610538. Its totient is φ = 252717060768.

The previous prime is 505434121529. The next prime is 505434121667. The reversal of 505434121552 is 255121434505.

It can be written as a sum of positive squares in only one way, i.e., 459147180816 + 46286940736 = 677604^2 + 215144^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 15794816283 + ... + 15794816314.

Almost surely, 2^505434121552 is an apocalyptic number.

It is an amenable number.

505434121552 is a deficient number, since it is larger than the sum of its proper divisors (473844488986).

505434121552 is a wasteful number, since it uses less digits than its factorization.

505434121552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31589632605 (or 31589632599 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 505434121552 in words is "five hundred five billion, four hundred thirty-four million, one hundred twenty-one thousand, five hundred fifty-two".