5005511060991 has 48 divisors (see below), whose sum is σ = 7786758545280. Its totient is φ = 2851790639040.

The previous prime is 5005511060873. The next prime is 5005511061037. The reversal of 5005511060991 is 1990601155005.

It is not a de Polignac number, because 5005511060991 - 2²⁹ = 5004974190079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5005511060191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69379845 + ... + 69451953.

It is an arithmetic number, because the mean of its divisors is an integer number (162224136360).

Almost surely, 2^{5005511060991} is an apocalyptic number.

5005511060991 is a deficient number, since it is larger than the sum of its proper divisors (2781247484289).

5005511060991 is a wasteful number, since it uses less digits than its factorization.

5005511060991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73524 (or 73517 counting only the distinct ones).

The product of its (nonzero) digits is 60750, while the sum is 42.

The spelling of 5005511060991 in words is "five trillion, five billion, five hundred eleven million, sixty thousand, nine hundred ninety-one".