5491205611 has 2 divisors, whose sum is σ = 5491205612. Its totient is φ = 5491205610.

The previous prime is 5491205539. The next prime is 5491205623. The reversal of 5491205611 is 1165021945.

It is a happy number.

5491205611 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5491205611 - 2⁹ = 5491205099 is a prime.

It is not a weakly prime, because it can be changed into another prime (5491205711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2745602805 + 2745602806.

It is an arithmetic number, because the mean of its divisors is an integer number (2745602806).

Almost surely, 2^5491205611 is an apocalyptic number.

5491205611 is a deficient number, since it is larger than the sum of its proper divisors (1).

5491205611 is an equidigital number, since it uses as much as digits as its factorization.

5491205611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 5491205611 is about 74102.6693918647. The cubic root of 5491205611 is about 1764.2328398066.

The spelling of 5491205611 in words is "five billion, four hundred ninety-one million, two hundred five thousand, six hundred eleven".