211725736252 has 12 divisors (see below), whose sum is σ = 380534093800. Its totient is φ = 103001709456.

The previous prime is 211725736247. The next prime is 211725736267. The reversal of 211725736252 is 252637527112.

It is a junction number, because it is equal to n+sod(n) for n = 211725736199 and 211725736208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715289502 + ... + 715289797.

Almost surely, 2^211725736252 is an apocalyptic number.

It is an amenable number.

211725736252 is a deficient number, since it is larger than the sum of its proper divisors (168808357548).

211725736252 is a wasteful number, since it uses less digits than its factorization.

211725736252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430579340 (or 1430579338 counting only the distinct ones).

The product of its digits is 352800, while the sum is 43.

The spelling of 211725736252 in words is "two hundred eleven billion, seven hundred twenty-five million, seven hundred thirty-six thousand, two hundred fifty-two".