505105111064 has 16 divisors (see below), whose sum is σ = 947124107520. Its totient is φ = 252538682400.

The previous prime is 505105111061. The next prime is 505105111087. The reversal of 505105111064 is 460111501505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505105111061) 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, 1578584 + ... + 1871399.

It is an arithmetic number, because the mean of its divisors is an integer number (59195256720).

Almost surely, 2^505105111064 is an apocalyptic number.

It is an amenable number.

505105111064 is a deficient number, since it is larger than the sum of its proper divisors (442018996456).

505105111064 is a wasteful number, since it uses less digits than its factorization.

505105111064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468290 (or 3468286 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 505105111064 its reverse (460111501505), we get a palindrome (965216612569).

The spelling of 505105111064 in words is "five hundred five billion, one hundred five million, one hundred eleven thousand, sixty-four".