211415005505 has 16 divisors (see below), whose sum is σ = 283197777984. Its totient is φ = 150180636480.

The previous prime is 211415005489. The next prime is 211415005513. The reversal of 211415005505 is 505500514112.

It is not a de Polignac number, because 211415005505 - 2⁴ = 211415005489 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44694254 + ... + 44698983.

It is an arithmetic number, because the mean of its divisors is an integer number (17699861124).

Almost surely, 2^211415005505 is an apocalyptic number.

It is an amenable number.

211415005505 is a deficient number, since it is larger than the sum of its proper divisors (71782772479).

211415005505 is a wasteful number, since it uses less digits than its factorization.

211415005505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89393296.

The product of its (nonzero) digits is 5000, while the sum is 29.

Adding to 211415005505 its reverse (505500514112), we get a palindrome (716915519617).

The spelling of 211415005505 in words is "two hundred eleven billion, four hundred fifteen million, five thousand, five hundred five".