505050011 has 4 divisors (see below), whose sum is σ = 506847624. Its totient is φ = 503252400.

The previous prime is 505049983. The next prime is 505050043. The reversal of 505050011 is 110050505.

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 505050011 - 2¹⁰ = 505048987 is a prime.

It is a super-2 number, since 2×505050011² = 510151027222200242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505050311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898385 + ... + 898946.

It is an arithmetic number, because the mean of its divisors is an integer number (126711906).

Almost surely, 2^505050011 is an apocalyptic number.

505050011 is a deficient number, since it is larger than the sum of its proper divisors (1797613).

505050011 is a wasteful number, since it uses less digits than its factorization.

505050011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797612.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 505050011 is about 22473.3177568422. The cubic root of 505050011 is about 796.3637108564.

The spelling of 505050011 in words is "five hundred five million, fifty thousand, eleven".