211654404456112 has 20 divisors (see below), whose sum is σ = 410163538810720. Its totient is φ = 105805749279168.

The previous prime is 211654404456109. The next prime is 211654404456113.

211654404456112 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (211654404456113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340727912 + ... + 1340885767.

It is an arithmetic number, because the mean of its divisors is an integer number (20508176940536).

Almost surely, 2^{211654404456112} is an apocalyptic number.

It is an amenable number.

211654404456112 is a deficient number, since it is larger than the sum of its proper divisors (198509134354608).

211654404456112 is a wasteful number, since it uses less digits than its factorization.

211654404456112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681618620 (or 2681618614 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 211654404456112 in words is "two hundred eleven trillion, six hundred fifty-four billion, four hundred four million, four hundred fifty-six thousand, one hundred twelve".