211111555023344 has 10 divisors (see below), whose sum is σ = 409028637857760. Its totient is φ = 105555777511664.

The previous prime is 211111555023331. The next prime is 211111555023367. The reversal of 211111555023344 is 443320555111112.

It is a junction number, because it is equal to n+sod(n) for n = 211111555023298 and 211111555023307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6597236094464 + ... + 6597236094495.

It is an arithmetic number, because the mean of its divisors is an integer number (40902863785776).

Almost surely, 2^{211111555023344} is an apocalyptic number.

It is an amenable number.

211111555023344 is a deficient number, since it is larger than the sum of its proper divisors (197917082834416).

211111555023344 is a wasteful number, since it uses less digits than its factorization.

211111555023344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13194472188967 (or 13194472188961 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 211111555023344 in words is "two hundred eleven trillion, one hundred eleven billion, five hundred fifty-five million, twenty-three thousand, three hundred forty-four".