5565161100 has 72 divisors (see below), whose sum is σ = 16282864080. Its totient is φ = 1467361280.

The previous prime is 5565161087. The next prime is 5565161177. The reversal of 5565161100 is 11615655.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77517 + ... + 130916.

It is an arithmetic number, because the mean of its divisors is an integer number (226150890).

Almost surely, 2^5565161100 is an apocalyptic number.

5565161100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5565161100 is an abundant number, since it is smaller than the sum of its proper divisors (10717702980).

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

5565161100 is a wasteful number, since it uses less digits than its factorization.

5565161100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208539 (or 208532 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 5565161100 is about 74600.0073726538. The cubic root of 5565161100 is about 1772.1177689937.

Adding to 5565161100 its reverse (11615655), we get a palindrome (5576776755).

The spelling of 5565161100 in words is "five billion, five hundred sixty-five million, one hundred sixty-one thousand, one hundred".