5655115566 has 12 divisors (see below), whose sum is σ = 12252750432. Its totient is φ = 1885038516.

The previous prime is 5655115541. The next prime is 5655115567. The reversal of 5655115566 is 6655115565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5655115567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157086526 + ... + 157086561.

It is an arithmetic number, because the mean of its divisors is an integer number (1021062536).

Almost surely, 2^5655115566 is an apocalyptic number.

5655115566 is an abundant number, since it is smaller than the sum of its proper divisors (6597634866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5655115566 is a wasteful number, since it uses less digits than its factorization.

5655115566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314173095 (or 314173092 counting only the distinct ones).

The product of its digits is 675000, while the sum is 45.

The square root of 5655115566 is about 75200.5024318322. The cubic root of 5655115566 is about 1781.6148672471.

Subtracting 5655115566 from its reverse (6655115565), we obtain a palindrome (999999999).

The spelling of 5655115566 in words is "five billion, six hundred fifty-five million, one hundred fifteen thousand, five hundred sixty-six".