5005004999991 has 16 divisors (see below), whose sum is σ = 7437778329600. Its totient is φ = 2975111330688.

The previous prime is 5005004999987. The next prime is 5005005000007. The reversal of 5005004999991 is 1999994005005.

It is not a de Polignac number, because 5005004999991 - 2² = 5005004999987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5005004999191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2582560951 + ... + 2582562888.

It is an arithmetic number, because the mean of its divisors is an integer number (464861145600).

Almost surely, 2^{5005004999991} is an apocalyptic number.

5005004999991 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5005004999991 is a deficient number, since it is larger than the sum of its proper divisors (2432773329609).

5005004999991 is a wasteful number, since it uses less digits than its factorization.

5005004999991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165123878.

The product of its (nonzero) digits is 5904900, while the sum is 60.

The spelling of 5005004999991 in words is "five trillion, five billion, four million, nine hundred ninety-nine thousand, nine hundred ninety-one".