5591044967751 has 72 divisors (see below), whose sum is σ = 8614295726400. Its totient is φ = 3493682666496.

The previous prime is 5591044967731. The next prime is 5591044967791. The reversal of 5591044967751 is 1577694401955.

5591044967751 is a `hidden beast` number, since 5 + 5 + 91 + 0 + 4 + 496 + 7 + 7 + 51 = 666.

It is not a de Polignac number, because 5591044967751 - 2²² = 5591040773447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5591044967701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 760786225 + ... + 760793573.

It is an arithmetic number, because the mean of its divisors is an integer number (119642996200).

Almost surely, 2^{5591044967751} is an apocalyptic number.

5591044967751 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5591044967751 is a deficient number, since it is larger than the sum of its proper divisors (3023250758649).

5591044967751 is a wasteful number, since it uses less digits than its factorization.

5591044967751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553 (or 8533 counting only the distinct ones).

The product of its (nonzero) digits is 47628000, while the sum is 63.

The spelling of 5591044967751 in words is "five trillion, five hundred ninety-one billion, forty-four million, nine hundred sixty-seven thousand, seven hundred fifty-one".