211350005532 has 18 divisors (see below), whose sum is σ = 534245847408. Its totient is φ = 70450001832.

The previous prime is 211350005527. The next prime is 211350005569. The reversal of 211350005532 is 235500053112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 211350005496 and 211350005505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2935416708 + ... + 2935416779.

It is an arithmetic number, because the mean of its divisors is an integer number (29680324856).

Almost surely, 2^211350005532 is an apocalyptic number.

It is an amenable number.

211350005532 is an abundant number, since it is smaller than the sum of its proper divisors (322895841876).

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

211350005532 is a wasteful number, since it uses less digits than its factorization.

211350005532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5870833497 (or 5870833492 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 211350005532 its reverse (235500053112), we get a palindrome (446850058644).

The spelling of 211350005532 in words is "two hundred eleven billion, three hundred fifty million, five thousand, five hundred thirty-two".