5555505511 has 2 divisors, whose sum is σ = 5555505512. Its totient is φ = 5555505510.

The previous prime is 5555505503. The next prime is 5555505533. The reversal of 5555505511 is 1155055555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5555505511 - 2³ = 5555505503 is a prime.

It is a super-2 number, since 2×5555505511² = 61727282965502742242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5555505311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777752755 + 2777752756.

It is an arithmetic number, because the mean of its divisors is an integer number (2777752756).

Almost surely, 2^5555505511 is an apocalyptic number.

5555505511 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555505511 is an equidigital number, since it uses as much as digits as its factorization.

5555505511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78125, while the sum is 37.

The square root of 5555505511 is about 74535.2635401526. The cubic root of 5555505511 is about 1771.0922972608.

The spelling of 5555505511 in words is "five billion, five hundred fifty-five million, five hundred five thousand, five hundred eleven".