211230043504 has 20 divisors (see below), whose sum is σ = 409268516200. Its totient is φ = 105612361920.

The previous prime is 211230043483. The next prime is 211230043523. The reversal of 211230043504 is 405340032112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594394 + ... + 880774.

It is an arithmetic number, because the mean of its divisors is an integer number (20463425810).

Almost surely, 2^211230043504 is an apocalyptic number.

It is an amenable number.

211230043504 is a deficient number, since it is larger than the sum of its proper divisors (198038472696).

211230043504 is a wasteful number, since it uses less digits than its factorization.

211230043504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332488 (or 332482 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 211230043504 its reverse (405340032112), we get a palindrome (616570075616).

The spelling of 211230043504 in words is "two hundred eleven billion, two hundred thirty million, forty-three thousand, five hundred four".