505105010563 has 4 divisors (see below), whose sum is σ = 505219266288. Its totient is φ = 504990754840.

The previous prime is 505105010561. The next prime is 505105010567. The reversal of 505105010563 is 365010501505.

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 505105010563 - 2¹ = 505105010561 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505105010561) 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, 57121231 + ... + 57130072.

It is an arithmetic number, because the mean of its divisors is an integer number (126304816572).

Almost surely, 2^505105010563 is an apocalyptic number.

505105010563 is a deficient number, since it is larger than the sum of its proper divisors (114255725).

505105010563 is a wasteful number, since it uses less digits than its factorization.

505105010563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114255724.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 505105010563 in words is "five hundred five billion, one hundred five million, ten thousand, five hundred sixty-three".