505213613011 has 16 divisors (see below), whose sum is σ = 513643411008. Its totient is φ = 496853913600.

The previous prime is 505213612999. The next prime is 505213613017. The reversal of 505213613011 is 110316312505.

It is a cyclic number.

It is not a de Polignac number, because 505213613011 - 2¹⁵ = 505213580243 is a prime.

It is a super-2 number, since 2×505213613011² (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 (505213613017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23884506 + ... + 23905648.

It is an arithmetic number, because the mean of its divisors is an integer number (32102713188).

Almost surely, 2^505213613011 is an apocalyptic number.

505213613011 is a deficient number, since it is larger than the sum of its proper divisors (8429797997).

505213613011 is a wasteful number, since it uses less digits than its factorization.

505213613011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22782.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 505213613011 its reverse (110316312505), we get a palindrome (615529925516).

The spelling of 505213613011 in words is "five hundred five billion, two hundred thirteen million, six hundred thirteen thousand, eleven".