505505005511 has 8 divisors (see below), whose sum is σ = 569249038848. Its totient is φ = 444725811000.

The previous prime is 505505005507. The next prime is 505505005513. The reversal of 505505005511 is 115500505505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505505005511 - 2² = 505505005507 is a prime.

It is a super-2 number, since 2×505505005511² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505505005513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741209345 + ... + 741210026.

It is an arithmetic number, because the mean of its divisors is an integer number (71156129856).

Almost surely, 2^505505005511 is an apocalyptic number.

505505005511 is a deficient number, since it is larger than the sum of its proper divisors (63744033337).

505505005511 is a wasteful number, since it uses less digits than its factorization.

505505005511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482419413.

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 505505005511 in words is "five hundred five billion, five hundred five million, five thousand, five hundred eleven".