211925060216 has 8 divisors (see below), whose sum is σ = 397359487920. Its totient is φ = 105962530104.

The previous prime is 211925060167. The next prime is 211925060231. The reversal of 211925060216 is 612060529112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×211925060216² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13245316256 + ... + 13245316271.

It is an arithmetic number, because the mean of its divisors is an integer number (49669935990).

Almost surely, 2^211925060216 is an apocalyptic number.

It is an amenable number.

211925060216 is a deficient number, since it is larger than the sum of its proper divisors (185434427704).

211925060216 is a wasteful number, since it uses less digits than its factorization.

211925060216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26490632533 (or 26490632529 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

Adding to 211925060216 its reverse (612060529112), we get a palindrome (823985589328).

The spelling of 211925060216 in words is "two hundred eleven billion, nine hundred twenty-five million, sixty thousand, two hundred sixteen".