5661415100 has 36 divisors (see below), whose sum is σ = 13402116168. Its totient is φ = 2058696000.

The previous prime is 5661415099. The next prime is 5661415117. The reversal of 5661415100 is 15141665.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2572271 + ... + 2574470.

Almost surely, 2^5661415100 is an apocalyptic number.

5661415100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5661415100 is an abundant number, since it is smaller than the sum of its proper divisors (7740701068).

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

5661415100 is a wasteful number, since it uses less digits than its factorization.

5661415100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5146766 (or 5146759 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 5661415100 is about 75242.3756934880. The cubic root of 5661415100 is about 1782.2761669412.

Adding to 5661415100 its reverse (15141665), we get a palindrome (5676556765).

The spelling of 5661415100 in words is "five billion, six hundred sixty-one million, four hundred fifteen thousand, one hundred".