5641118791 has 16 divisors (see below), whose sum is σ = 7403247360. Its totient is φ = 4164324480.

The previous prime is 5641118771. The next prime is 5641118843. The reversal of 5641118791 is 1978111465.

It is a cyclic number.

It is not a de Polignac number, because 5641118791 - 2⁷ = 5641118663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5641118771) 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, 1926466 + ... + 1929391.

It is an arithmetic number, because the mean of its divisors is an integer number (462702960).

Almost surely, 2^5641118791 is an apocalyptic number.

5641118791 is a deficient number, since it is larger than the sum of its proper divisors (1762128569).

5641118791 is a wasteful number, since it uses less digits than its factorization.

5641118791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855894.

The product of its digits is 60480, while the sum is 43.

The square root of 5641118791 is about 75107.3817344208. The cubic root of 5641118791 is about 1780.1437824140.

The spelling of 5641118791 in words is "five billion, six hundred forty-one million, one hundred eighteen thousand, seven hundred ninety-one".