211336854816 has 48 divisors (see below), whose sum is σ = 554819969088. Its totient is φ = 70437907200.

The previous prime is 211336854803. The next prime is 211336854823. The reversal of 211336854816 is 618458633112.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797326 + ... + 1028786.

It is an arithmetic number, because the mean of its divisors is an integer number (11558749356).

Almost surely, 2^211336854816 is an apocalyptic number.

It is an amenable number.

211336854816 is an abundant number, since it is smaller than the sum of its proper divisors (343483114272).

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

211336854816 is a wasteful number, since it uses less digits than its factorization.

211336854816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240985 (or 240977 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The spelling of 211336854816 in words is "two hundred eleven billion, three hundred thirty-six million, eight hundred fifty-four thousand, eight hundred sixteen".