5011721061 has 8 divisors (see below), whose sum is σ = 6824471424. Its totient is φ = 3270059040.

The previous prime is 5011721047. The next prime is 5011721063. The reversal of 5011721061 is 1601271105.

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

It is not a de Polignac number, because 5011721061 - 2¹³ = 5011712869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5011721063) 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, 17771920 + ... + 17772201.

It is an arithmetic number, because the mean of its divisors is an integer number (853058928).

Almost surely, 2^5011721061 is an apocalyptic number.

It is an amenable number.

5011721061 is a deficient number, since it is larger than the sum of its proper divisors (1812750363).

5011721061 is a wasteful number, since it uses less digits than its factorization.

5011721061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35544171.

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 5011721061 is about 70793.5100203401. The cubic root of 5011721061 is about 1711.3110860948.

Adding to 5011721061 its reverse (1601271105), we get a palindrome (6612992166).

The spelling of 5011721061 in words is "five billion, eleven million, seven hundred twenty-one thousand, sixty-one".