211366660045 has 8 divisors (see below), whose sum is σ = 266989465440. Its totient is φ = 160193679120.

The previous prime is 211366660033. The next prime is 211366660069. The reversal of 211366660045 is 540066663112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211366660045 - 2²³ = 211358271437 is a prime.

It is a congruent number.

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, 1112456011 + ... + 1112456200.

It is an arithmetic number, because the mean of its divisors is an integer number (33373683180).

Almost surely, 2^211366660045 is an apocalyptic number.

It is an amenable number.

211366660045 is a deficient number, since it is larger than the sum of its proper divisors (55622805395).

211366660045 is a wasteful number, since it uses less digits than its factorization.

211366660045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224912235.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 211366660045 in words is "two hundred eleven billion, three hundred sixty-six million, six hundred sixty thousand, forty-five".