211425055 has 8 divisors (see below), whose sum is σ = 254608272. Its totient is φ = 168541248.

The previous prime is 211425047. The next prime is 211425059. The reversal of 211425055 is 550524112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211425055 - 2³ = 211425047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211425059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73294 + ... + 76123.

It is an arithmetic number, because the mean of its divisors is an integer number (31826034).

Almost surely, 2^211425055 is an apocalyptic number.

211425055 is a deficient number, since it is larger than the sum of its proper divisors (43183217).

211425055 is a wasteful number, since it uses less digits than its factorization.

211425055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149705.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 211425055 is about 14540.4626817719. The cubic root of 211425055 is about 595.7336758467.

Adding to 211425055 its reverse (550524112), we get a palindrome (761949167).

The spelling of 211425055 in words is "two hundred eleven million, four hundred twenty-five thousand, fifty-five".