5611561747 has 8 divisors (see below), whose sum is σ = 6287155632. Its totient is φ = 4963543200.

The previous prime is 5611561723. The next prime is 5611561763. The reversal of 5611561747 is 7471651165.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-5611561747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5611561147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6893404 + ... + 6894217.

It is an arithmetic number, because the mean of its divisors is an integer number (785894454).

Almost surely, 2^5611561747 is an apocalyptic number.

5611561747 is a deficient number, since it is larger than the sum of its proper divisors (675593885).

5611561747 is a wasteful number, since it uses less digits than its factorization.

5611561747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13787669.

The product of its digits is 176400, while the sum is 43.

The square root of 5611561747 is about 74910.3580755025. The cubic root of 5611561747 is about 1777.0292730875.

The spelling of 5611561747 in words is "five billion, six hundred eleven million, five hundred sixty-one thousand, seven hundred forty-seven".