5661113268 has 12 divisors (see below), whose sum is σ = 13209264320. Its totient is φ = 1887037752.

The previous prime is 5661113243. The next prime is 5661113279. The reversal of 5661113268 is 8623111665.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 235879708 + ... + 235879731.

Almost surely, 2^5661113268 is an apocalyptic number.

It is an amenable number.

5661113268 is an abundant number, since it is smaller than the sum of its proper divisors (7548151052).

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

5661113268 is a wasteful number, since it uses less digits than its factorization.

5661113268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471759446 (or 471759444 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 5661113268 is about 75240.3699352947. The cubic root of 5661113268 is about 1782.2444930263.

The spelling of 5661113268 in words is "five billion, six hundred sixty-one million, one hundred thirteen thousand, two hundred sixty-eight".