5655111111 has 24 divisors (see below), whose sum is σ = 8984015040. Its totient is φ = 3406021056.

The previous prime is 5655111089. The next prime is 5655111139. The reversal of 5655111111 is 1111115565.

5655111111 is a `hidden beast` number, since 5 + 655 + 1 + 1 + 1 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 5655111111 - 2¹³ = 5655102919 is a prime.

5655111111 is a modest number, since divided by 111111 gives 5655 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5655111211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 508696 + ... + 519693.

It is an arithmetic number, because the mean of its divisors is an integer number (374333960).

Almost surely, 2^5655111111 is an apocalyptic number.

5655111111 is a deficient number, since it is larger than the sum of its proper divisors (3328903929).

5655111111 is a wasteful number, since it uses less digits than its factorization.

5655111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028455 (or 1028452 counting only the distinct ones).

The product of its digits is 750, while the sum is 27.

The square root of 5655111111 is about 75200.4728110136. The cubic root of 5655111111 is about 1781.6143994054.

Adding to 5655111111 its reverse (1111115565), we get a palindrome (6766226676).

The spelling of 5655111111 in words is "five billion, six hundred fifty-five million, one hundred eleven thousand, one hundred eleven".