5550665611 has 2 divisors, whose sum is σ = 5550665612. Its totient is φ = 5550665610.

The previous prime is 5550665591. The next prime is 5550665623. The reversal of 5550665611 is 1165660555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5550665611 - 2⁵ = 5550665579 is a prime.

It is not a weakly prime, because it can be changed into another prime (5550665671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775332805 + 2775332806.

It is an arithmetic number, because the mean of its divisors is an integer number (2775332806).

Almost surely, 2^5550665611 is an apocalyptic number.

5550665611 is a deficient number, since it is larger than the sum of its proper divisors (1).

5550665611 is an equidigital number, since it uses as much as digits as its factorization.

5550665611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 5550665611 is about 74502.7892833550. The cubic root of 5550665611 is about 1770.5778286223.

The spelling of 5550665611 in words is "five billion, five hundred fifty million, six hundred sixty-five thousand, six hundred eleven".