211065435464 has 64 divisors (see below), whose sum is σ = 428545736640. Its totient is φ = 96877751040.

The previous prime is 211065435421. The next prime is 211065435521. The reversal of 211065435464 is 464534560112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14954699 + ... + 14968805.

It is an arithmetic number, because the mean of its divisors is an integer number (6696027135).

Almost surely, 2^211065435464 is an apocalyptic number.

It is an amenable number.

211065435464 is an abundant number, since it is smaller than the sum of its proper divisors (217480301176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211065435464 is a wasteful number, since it uses less digits than its factorization.

211065435464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14910 (or 14906 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 211065435464 its reverse (464534560112), we get a palindrome (675599995576).

The spelling of 211065435464 in words is "two hundred eleven billion, sixty-five million, four hundred thirty-five thousand, four hundred sixty-four".