505260600135263 has 6 divisors (see below), whose sum is σ = 587752126688016. Its totient is φ = 433080514401612.

The previous prime is 505260600135217. The next prime is 505260600135329. The reversal of 505260600135263 is 362531006062505.

It is not a de Polignac number, because 505260600135263 - 2¹⁸ = 505260599873119 is a prime.

It is a super-2 number, since 2×505260600135263² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505260600135163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5155720409495 + ... + 5155720409592.

It is an arithmetic number, because the mean of its divisors is an integer number (97958687781336).

Almost surely, 2^{505260600135263} is an apocalyptic number.

505260600135263 is a deficient number, since it is larger than the sum of its proper divisors (82491526552753).

505260600135263 is a wasteful number, since it uses less digits than its factorization.

505260600135263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10311440819101 (or 10311440819094 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 44.

Adding to 505260600135263 its reverse (362531006062505), we get a palindrome (867791606197768).

The spelling of 505260600135263 in words is "five hundred five trillion, two hundred sixty billion, six hundred million, one hundred thirty-five thousand, two hundred sixty-three".