211356940089888 has 96 divisors (see below), whose sum is σ = 616611750955200. Its totient is φ = 70434712332288.

The previous prime is 211356940089811. The next prime is 211356940089901. The reversal of 211356940089888 is 888980049653112.

211356940089888 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 5 + 69 + 400 + 89 + 8 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×211356940089888² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27096753 + ... + 34013936.

It is an arithmetic number, because the mean of its divisors is an integer number (6423039072450).

Almost surely, 2^{211356940089888} is an apocalyptic number.

It is an amenable number.

211356940089888 is an abundant number, since it is smaller than the sum of its proper divisors (405254810865312).

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

211356940089888 is a wasteful number, since it uses less digits than its factorization.

211356940089888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61114711 (or 61114697 counting only the distinct ones).

The product of its (nonzero) digits is 238878720, while the sum is 72.

The spelling of 211356940089888 in words is "two hundred eleven trillion, three hundred fifty-six billion, nine hundred forty million, eighty-nine thousand, eight hundred eighty-eight".