6655028911 has 2 divisors, whose sum is σ = 6655028912. Its totient is φ = 6655028910.

The previous prime is 6655028803. The next prime is 6655028923. The reversal of 6655028911 is 1198205566.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6655028911 - 2¹¹ = 6655026863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6655028951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327514455 + 3327514456.

It is an arithmetic number, because the mean of its divisors is an integer number (3327514456).

Almost surely, 2^6655028911 is an apocalyptic number.

6655028911 is a deficient number, since it is larger than the sum of its proper divisors (1).

6655028911 is an equidigital number, since it uses as much as digits as its factorization.

6655028911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 6655028911 is about 81578.3605559710. The cubic root of 6655028911 is about 1880.9762651484.

The spelling of 6655028911 in words is "six billion, six hundred fifty-five million, twenty-eight thousand, nine hundred eleven".