211041424505 has 8 divisors (see below), whose sum is σ = 266578641600. Its totient is φ = 159947184816.

The previous prime is 211041424499. The next prime is 211041424537. The reversal of 211041424505 is 505424140112.

It is a happy number.

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 211041424505 - 2¹² = 211041420409 is a prime.

It is a super-2 number, since 2×211041424505² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110744245 + ... + 1110744434.

It is an arithmetic number, because the mean of its divisors is an integer number (33322330200).

Almost surely, 2^211041424505 is an apocalyptic number.

It is an amenable number.

211041424505 is a deficient number, since it is larger than the sum of its proper divisors (55537217095).

211041424505 is a wasteful number, since it uses less digits than its factorization.

211041424505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221488703.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 211041424505 its reverse (505424140112), we get a palindrome (716465564617).

The spelling of 211041424505 in words is "two hundred eleven billion, forty-one million, four hundred twenty-four thousand, five hundred five".