505267440211 has 4 divisors (see below), whose sum is σ = 531860463400. Its totient is φ = 478674417024.

The previous prime is 505267440079. The next prime is 505267440217. The reversal of 505267440211 is 112044762505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 505267440211 - 2¹⁷ = 505267309139 is a prime.

It is a super-2 number, since 2×505267440211² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505267440217) 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, 13296511566 + ... + 13296511603.

It is an arithmetic number, because the mean of its divisors is an integer number (132965115850).

Almost surely, 2^505267440211 is an apocalyptic number.

505267440211 is a deficient number, since it is larger than the sum of its proper divisors (26593023189).

505267440211 is a wasteful number, since it uses less digits than its factorization.

505267440211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26593023188.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 505267440211 in words is "five hundred five billion, two hundred sixty-seven million, four hundred forty thousand, two hundred eleven".