6655155611 has 6 divisors (see below), whose sum is σ = 7206470460. Its totient is φ = 6143220408.

The previous prime is 6655155599. The next prime is 6655155643. The reversal of 6655155611 is 1165515566.

It is not a de Polignac number, because 6655155611 - 2¹⁸ = 6654893467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6655155211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19689641 + ... + 19689978.

It is an arithmetic number, because the mean of its divisors is an integer number (1201078410).

Almost surely, 2^6655155611 is an apocalyptic number.

6655155611 is a deficient number, since it is larger than the sum of its proper divisors (551314849).

6655155611 is a wasteful number, since it uses less digits than its factorization.

6655155611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39379645 (or 39379632 counting only the distinct ones).

The product of its digits is 135000, while the sum is 41.

The square root of 6655155611 is about 81579.1371062479. The cubic root of 6655155611 is about 1880.9882018950.

The spelling of 6655155611 in words is "six billion, six hundred fifty-five million, one hundred fifty-five thousand, six hundred eleven".