5011561601 has 8 divisors (see below), whose sum is σ = 5185679400. Its totient is φ = 4837530880.

The previous prime is 5011561591. The next prime is 5011561613. The reversal of 5011561601 is 1061651105.

5011561601 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1127280625 + 3884280976 = 33575^2 + 62324^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5011561601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5011561691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108665 + ... + 147753.

It is an arithmetic number, because the mean of its divisors is an integer number (648209925).

Almost surely, 2^5011561601 is an apocalyptic number.

It is an amenable number.

5011561601 is a deficient number, since it is larger than the sum of its proper divisors (174117799).

5011561601 is a wasteful number, since it uses less digits than its factorization.

5011561601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43539.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 5011561601 is about 70792.3837782003. The cubic root of 5011561601 is about 1711.2929360716.

The spelling of 5011561601 in words is "five billion, eleven million, five hundred sixty-one thousand, six hundred one".