55011835009 has 2 divisors, whose sum is σ = 55011835010. Its totient is φ = 55011835008.

The previous prime is 55011835007. The next prime is 55011835027. The reversal of 55011835009 is 90053811055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49932137025 + 5079697984 = 223455^2 + 71272^2 .

It is a cyclic number.

It is not a de Polignac number, because 55011835009 - 2¹ = 55011835007 is a prime.

Together with 55011835007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55011835001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27505917504 + 27505917505.

It is an arithmetic number, because the mean of its divisors is an integer number (27505917505).

Almost surely, 2^55011835009 is an apocalyptic number.

It is an amenable number.

55011835009 is a deficient number, since it is larger than the sum of its proper divisors (1).

55011835009 is an equidigital number, since it uses as much as digits as its factorization.

55011835009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 55011835009 in words is "fifty-five billion, eleven million, eight hundred thirty-five thousand, nine".