505060055511 has 8 divisors (see below), whose sum is σ = 734632808064. Its totient is φ = 306097003320.

The previous prime is 505060055491. The next prime is 505060055551. The reversal of 505060055511 is 115550060505.

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

It is not a de Polignac number, because 505060055511 - 2¹⁰ = 505060054487 is a prime.

It is a super-2 number, since 2×505060055511² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 15304850167 = 505060055511 / (5 + 0 + 5 + 0 + 6 + 0 + 0 + 5 + 5 + 5 + 1 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505060055551) 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, 7652425051 + ... + 7652425116.

It is an arithmetic number, because the mean of its divisors is an integer number (91829101008).

Almost surely, 2^505060055511 is an apocalyptic number.

505060055511 is a deficient number, since it is larger than the sum of its proper divisors (229572752553).

505060055511 is a wasteful number, since it uses less digits than its factorization.

505060055511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15304850181.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 505060055511 in words is "five hundred five billion, sixty million, fifty-five thousand, five hundred eleven".