5001998011 has 2 divisors, whose sum is σ = 5001998012. Its totient is φ = 5001998010.

The previous prime is 5001998003. The next prime is 5001998051. The reversal of 5001998011 is 1108991005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5001998011 - 2³ = 5001998003 is a prime.

It is a super-2 number, since 2×5001998011² = 50039968204095912242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5001998051) 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 as a sum of consecutive naturals, namely, 2500999005 + 2500999006.

It is an arithmetic number, because the mean of its divisors is an integer number (2500999006).

Almost surely, 2^5001998011 is an apocalyptic number.

5001998011 is a deficient number, since it is larger than the sum of its proper divisors (1).

5001998011 is an equidigital number, since it uses as much as digits as its factorization.

5001998011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 34.

The square root of 5001998011 is about 70724.8047788044. The cubic root of 5001998011 is about 1710.2036863944.

The spelling of 5001998011 in words is "five billion, one million, nine hundred ninety-eight thousand, eleven".