606556615511 has 18 divisors (see below), whose sum is σ = 775561772160. Its totient is φ = 472641513960.

The previous prime is 606556615507. The next prime is 606556615523. The reversal of 606556615511 is 115516655606.

It is not a de Polignac number, because 606556615511 - 2² = 606556615507 is a prime.

It is a super-2 number, since 2×606556615511² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606556615211) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 51145751 + ... + 51157608.

It is an arithmetic number, because the mean of its divisors is an integer number (43086765120).

Almost surely, 2^606556615511 is an apocalyptic number.

606556615511 is a deficient number, since it is larger than the sum of its proper divisors (169005156649).

606556615511 is a wasteful number, since it uses less digits than its factorization.

606556615511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102303395 (or 102303377 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 606556615511 in words is "six hundred six billion, five hundred fifty-six million, six hundred fifteen thousand, five hundred eleven".