511055505055 has 8 divisors (see below), whose sum is σ = 616173084144. Its totient is φ = 406906752000.

The previous prime is 511055505049. The next prime is 511055505071. The reversal of 511055505055 is 550505550115.

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

It is a de Polignac number, because none of the positive numbers 2^k-511055505055 is a prime.

It is a super-2 number, since 2×511055505055² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

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, 242205346 + ... + 242207455.

It is an arithmetic number, because the mean of its divisors is an integer number (77021635518).

Almost surely, 2^511055505055 is an apocalyptic number.

511055505055 is a deficient number, since it is larger than the sum of its proper divisors (105117579089).

511055505055 is a wasteful number, since it uses less digits than its factorization.

511055505055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484413017.

The product of its (nonzero) digits is 78125, while the sum is 37.

The spelling of 511055505055 in words is "five hundred eleven billion, fifty-five million, five hundred five thousand, fifty-five".