211195685152864 has 48 divisors (see below), whose sum is σ = 416102205735216. Its totient is φ = 105518949414400.

The previous prime is 211195685152849. The next prime is 211195685152867. The reversal of 211195685152864 is 468251586591112.

It is a junction number, because it is equal to n+sod(n) for n = 211195685152796 and 211195685152805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211195685152867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463330314 + ... + 463785910.

It is an arithmetic number, because the mean of its divisors is an integer number (8668795952817).

Almost surely, 2^{211195685152864} is an apocalyptic number.

It is an amenable number.

211195685152864 is a deficient number, since it is larger than the sum of its proper divisors (204906520582352).

211195685152864 is a wasteful number, since it uses less digits than its factorization.

211195685152864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466399 (or 466391 counting only the distinct ones).

The product of its digits is 41472000, while the sum is 64.

The spelling of 211195685152864 in words is "two hundred eleven trillion, one hundred ninety-five billion, six hundred eighty-five million, one hundred fifty-two thousand, eight hundred sixty-four".