506606555551 has 8 divisors (see below), whose sum is σ = 516053232000. Its totient is φ = 497188550040.

The previous prime is 506606555519. The next prime is 506606555579. The reversal of 506606555551 is 155555606605.

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 506606555551 - 2⁵ = 506606555519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506606555495 and 506606555504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506606555051) 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, 7132065 + ... + 7202746.

It is an arithmetic number, because the mean of its divisors is an integer number (64506654000).

Almost surely, 2^506606555551 is an apocalyptic number.

506606555551 is a deficient number, since it is larger than the sum of its proper divisors (9446676449).

506606555551 is a wasteful number, since it uses less digits than its factorization.

506606555551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14335469.

The product of its (nonzero) digits is 3375000, while the sum is 49.

The spelling of 506606555551 in words is "five hundred six billion, six hundred six million, five hundred fifty-five thousand, five hundred fifty-one".