505011101055 has 8 divisors (see below), whose sum is σ = 808017761712. Its totient is φ = 269339253888.

The previous prime is 505011101041. The next prime is 505011101219. The reversal of 505011101055 is 550101110505.

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

It is not a de Polignac number, because 505011101055 - 2¹⁰ = 505011100031 is a prime.

It is a super-2 number, since 2×505011101055² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16833703354 + ... + 16833703383.

It is an arithmetic number, because the mean of its divisors is an integer number (101002220214).

Almost surely, 2^505011101055 is an apocalyptic number.

505011101055 is a deficient number, since it is larger than the sum of its proper divisors (303006660657).

505011101055 is a wasteful number, since it uses less digits than its factorization.

505011101055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33667406745.

The product of its (nonzero) digits is 625, while the sum is 24.

The spelling of 505011101055 in words is "five hundred five billion, eleven million, one hundred one thousand, fifty-five".