211996415488 has 480 divisors, whose sum is σ = 540653895936. Its totient is φ = 81709056000.

The previous prime is 211996415447. The next prime is 211996415503. The reversal of 211996415488 is 884514699112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1618293183 + ... + 1618293313.

Almost surely, 2^211996415488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211996415488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270326947968).

211996415488 is an abundant number, since it is smaller than the sum of its proper divisors (328657480448).

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

211996415488 is a wasteful number, since it uses less digits than its factorization.

211996415488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 211 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 58.

The spelling of 211996415488 in words is "two hundred eleven billion, nine hundred ninety-six million, four hundred fifteen thousand, four hundred eighty-eight".