5011006005991 has 2 divisors, whose sum is σ = 5011006005992. Its totient is φ = 5011006005990.

The previous prime is 5011006005953. The next prime is 5011006005997. The reversal of 5011006005991 is 1995006001105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5011006005991 - 2¹³ = 5011005997799 is a prime.

It is a super-2 number, since 2×5011006005991² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5011006005991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5011006005997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505503002995 + 2505503002996.

It is an arithmetic number, because the mean of its divisors is an integer number (2505503002996).

Almost surely, 2^{5011006005991} is an apocalyptic number.

5011006005991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5011006005991 is an equidigital number, since it uses as much as digits as its factorization.

5011006005991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 37.

The spelling of 5011006005991 in words is "five trillion, eleven billion, six million, five thousand, nine hundred ninety-one".