211240504315 has 8 divisors (see below), whose sum is σ = 253645768368. Its totient is φ = 168887628000.

The previous prime is 211240504291. The next prime is 211240504331. The reversal of 211240504315 is 513405042112.

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

It is not a de Polignac number, because 211240504315 - 2¹¹ = 211240502267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13088061 + ... + 13104190.

It is an arithmetic number, because the mean of its divisors is an integer number (31705721046).

Almost surely, 2^211240504315 is an apocalyptic number.

211240504315 is a deficient number, since it is larger than the sum of its proper divisors (42405264053).

211240504315 is a wasteful number, since it uses less digits than its factorization.

211240504315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26193869.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 211240504315 its reverse (513405042112), we get a palindrome (724645546427).

The spelling of 211240504315 in words is "two hundred eleven billion, two hundred forty million, five hundred four thousand, three hundred fifteen".