5555091011 has 2 divisors, whose sum is σ = 5555091012. Its totient is φ = 5555091010.

The previous prime is 5555091007. The next prime is 5555091043. The reversal of 5555091011 is 1101905555.

It is an a-pointer prime, because the next prime (5555091043) can be obtained adding 5555091011 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5555091011 - 2² = 5555091007 is a prime.

It is a super-2 number, since 2×5555091011² = 61718072280986004242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5555031011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777545505 + 2777545506.

It is an arithmetic number, because the mean of its divisors is an integer number (2777545506).

Almost surely, 2^5555091011 is an apocalyptic number.

5555091011 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555091011 is an equidigital number, since it uses as much as digits as its factorization.

5555091011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5625, while the sum is 32.

The square root of 5555091011 is about 74532.4829252320. The cubic root of 5555091011 is about 1771.0482487031.

Adding to 5555091011 its reverse (1101905555), we get a palindrome (6656996566).

The spelling of 5555091011 in words is "five billion, five hundred fifty-five million, ninety-one thousand, eleven".