5068721811 has 16 divisors (see below), whose sum is σ = 6780670208. Its totient is φ = 3367980000.

The previous prime is 5068721803. The next prime is 5068721831. The reversal of 5068721811 is 1181278605.

It is not a de Polignac number, because 5068721811 - 2³ = 5068721803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5068721811.

It is not an unprimeable number, because it can be changed into a prime (5068721831) 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 15 ways as a sum of consecutive naturals, for example, 1533861 + ... + 1537161.

It is an arithmetic number, because the mean of its divisors is an integer number (423791888).

Almost surely, 2^5068721811 is an apocalyptic number.

5068721811 is a deficient number, since it is larger than the sum of its proper divisors (1711948397).

5068721811 is a wasteful number, since it uses less digits than its factorization.

5068721811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4842.

The product of its (nonzero) digits is 26880, while the sum is 39.

The square root of 5068721811 is about 71194.9563592815. The cubic root of 5068721811 is about 1717.7745025886.

The spelling of 5068721811 in words is "five billion, sixty-eight million, seven hundred twenty-one thousand, eight hundred eleven".