5105055066665 has 8 divisors (see below), whose sum is σ = 6152817461640. Its totient is φ = 4066209798912.

The previous prime is 5105055066539. The next prime is 5105055066737. The reversal of 5105055066665 is 5666605505015.

It can be written as a sum of positive squares in 4 ways, for example, as 959970807961 + 4145084258704 = 979781^2 + 2035948^2 .

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 5105055066665 - 2³⁴ = 5087875197481 is a prime.

It is a super-3 number, since 3×5105055066665³ (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2229280544 + ... + 2229282833.

It is an arithmetic number, because the mean of its divisors is an integer number (769102182705).

Almost surely, 2^{5105055066665} is an apocalyptic number.

It is an amenable number.

5105055066665 is a deficient number, since it is larger than the sum of its proper divisors (1047762394975).

5105055066665 is a wasteful number, since it uses less digits than its factorization.

5105055066665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458563611.

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 5105055066665 in words is "five trillion, one hundred five billion, fifty-five million, sixty-six thousand, six hundred sixty-five".