211109799045 has 32 divisors (see below), whose sum is σ = 371012198400. Its totient is φ = 102028348224.

The previous prime is 211109799037. The next prime is 211109799053. The reversal of 211109799045 is 540997901112.

211109799045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211109799037) and next prime (211109799053).

It is not a de Polignac number, because 211109799045 - 2³ = 211109799037 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211109798985 and 211109799003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16096405 + ... + 16109514.

It is an arithmetic number, because the mean of its divisors is an integer number (11594131200).

Almost surely, 2^211109799045 is an apocalyptic number.

It is an amenable number.

211109799045 is a deficient number, since it is larger than the sum of its proper divisors (159902399355).

211109799045 is a wasteful number, since it uses less digits than its factorization.

211109799045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32205969.

The product of its (nonzero) digits is 204120, while the sum is 48.

The spelling of 211109799045 in words is "two hundred eleven billion, one hundred nine million, seven hundred ninety-nine thousand, forty-five".