211041512 has 64 divisors (see below), whose sum is σ = 458827200. Its totient is φ = 89994240.

The previous prime is 211041499. The next prime is 211041533. The reversal of 211041512 is 215140112.

It is a super-2 number, since 2×211041512² = 89077039574492288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188378 + ... + 189494.

It is an arithmetic number, because the mean of its divisors is an integer number (7169175).

Almost surely, 2^211041512 is an apocalyptic number.

211041512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211041512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229413600).

211041512 is an abundant number, since it is smaller than the sum of its proper divisors (247785688).

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

211041512 is a wasteful number, since it uses less digits than its factorization.

211041512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266 (or 1262 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 211041512 is about 14527.2678780285. The cubic root of 211041512 is about 595.3732206378.

Adding to 211041512 its reverse (215140112), we get a palindrome (426181624).

The spelling of 211041512 in words is "two hundred eleven million, forty-one thousand, five hundred twelve".