211382992356 has 24 divisors (see below), whose sum is σ = 522240334560. Its totient is φ = 66316232832.

The previous prime is 211382992333. The next prime is 211382992357. The reversal of 211382992356 is 653299283112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 211382992299 and 211382992308.

It is not an unprimeable number, because it can be changed into a prime (211382992357) 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, 518095366 + ... + 518095773.

It is an arithmetic number, because the mean of its divisors is an integer number (21760013940).

Almost surely, 2^211382992356 is an apocalyptic number.

It is an amenable number.

211382992356 is an abundant number, since it is smaller than the sum of its proper divisors (310857342204).

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

211382992356 is a wasteful number, since it uses less digits than its factorization.

211382992356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036191163 (or 1036191161 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The spelling of 211382992356 in words is "two hundred eleven billion, three hundred eighty-two million, nine hundred ninety-two thousand, three hundred fifty-six".