211000500315225 has 144 divisors (see below), whose sum is σ = 407752044073920. Its totient is φ = 103951031961600.

The previous prime is 211000500315223. The next prime is 211000500315271. The reversal of 211000500315225 is 522513005000112.

211000500315225 is a `hidden beast` number, since 2 + 1 + 1 + 0 + 0 + 0 + 500 + 3 + 152 + 2 + 5 = 666.

It is not a de Polignac number, because 211000500315225 - 2¹ = 211000500315223 is a prime.

It is a super-2 number, since 2×211000500315225² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211000500315221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 306913714 + ... + 307600436.

It is an arithmetic number, because the mean of its divisors is an integer number (2831611417180).

Almost surely, 2^{211000500315225} is an apocalyptic number.

211000500315225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

211000500315225 is a deficient number, since it is larger than the sum of its proper divisors (196751543758695).

211000500315225 is a wasteful number, since it uses less digits than its factorization.

211000500315225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688552 (or 688544 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 211000500315225 its reverse (522513005000112), we get a palindrome (733513505315337).

The spelling of 211000500315225 in words is "two hundred eleven trillion, five hundred million, three hundred fifteen thousand, two hundred twenty-five".