55025211211 has 2 divisors, whose sum is σ = 55025211212. Its totient is φ = 55025211210.

The previous prime is 55025211209. The next prime is 55025211253. The reversal of 55025211211 is 11211252055.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55025211211 - 2¹ = 55025211209 is a prime.

Together with 55025211209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55025211011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27512605605 + 27512605606.

It is an arithmetic number, because the mean of its divisors is an integer number (27512605606).

Almost surely, 2^55025211211 is an apocalyptic number.

55025211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

55025211211 is an equidigital number, since it uses as much as digits as its factorization.

55025211211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000, while the sum is 25.

Adding to 55025211211 its reverse (11211252055), we get a palindrome (66236463266).

The spelling of 55025211211 in words is "fifty-five billion, twenty-five million, two hundred eleven thousand, two hundred eleven".