505135063456 has 24 divisors (see below), whose sum is σ = 1028777232420. Its totient is φ = 243858306048.

The previous prime is 505135063423. The next prime is 505135063457. The reversal of 505135063456 is 654360531505.

It can be written as a sum of positive squares in 2 ways, for example, as 504242010000 + 893053456 = 710100^2 + 29884^2 .

It is a super-2 number, since 2×505135063456² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505135063457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272162361 + ... + 272164216.

Almost surely, 2^505135063456 is an apocalyptic number.

It is an amenable number.

505135063456 is an abundant number, since it is smaller than the sum of its proper divisors (523642168964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505135063456 is a wasteful number, since it uses less digits than its factorization.

505135063456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544326616 (or 544326608 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 43.

The spelling of 505135063456 in words is "five hundred five billion, one hundred thirty-five million, sixty-three thousand, four hundred fifty-six".