505717011 has 12 divisors (see below), whose sum is σ = 730689960. Its totient is φ = 337047840.

The previous prime is 505717007. The next prime is 505717021. The reversal of 505717011 is 110717505.

It is not a de Polignac number, because 505717011 - 2² = 505717007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505717021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40200 + ... + 51258.

It is an arithmetic number, because the mean of its divisors is an integer number (60890830).

Almost surely, 2^505717011 is an apocalyptic number.

505717011 is a deficient number, since it is larger than the sum of its proper divisors (224972949).

505717011 is a wasteful number, since it uses less digits than its factorization.

505717011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16146 (or 16143 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 27.

The square root of 505717011 is about 22488.1526809118. The cubic root of 505717011 is about 796.7141322147.

The spelling of 505717011 in words is "five hundred five million, seven hundred seventeen thousand, eleven".