5565161099 has 4 divisors (see below), whose sum is σ = 5565341064. Its totient is φ = 5564981136.

The previous prime is 5565161087. The next prime is 5565161177. The reversal of 5565161099 is 9901615655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5565161099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5565161299) 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 3 ways as a sum of consecutive naturals, for example, 30482 + ... + 109815.

It is an arithmetic number, because the mean of its divisors is an integer number (1391335266).

Almost surely, 2^5565161099 is an apocalyptic number.

5565161099 is a deficient number, since it is larger than the sum of its proper divisors (179965).

5565161099 is a wasteful number, since it uses less digits than its factorization.

5565161099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179964.

The product of its (nonzero) digits is 364500, while the sum is 47.

The square root of 5565161099 is about 74600.0073659514. The cubic root of 5565161099 is about 1772.1177688876.

The spelling of 5565161099 in words is "five billion, five hundred sixty-five million, one hundred sixty-one thousand, ninety-nine".