2211867304509 has 8 divisors (see below), whose sum is σ = 2950833022720. Its totient is φ = 1473739894656.

The previous prime is 2211867304453. The next prime is 2211867304547. The reversal of 2211867304509 is 9054037681122.

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

It is not a de Polignac number, because 2211867304509 - 2¹⁵ = 2211867271741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211867304609) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 209570932 + ... + 209581485.

It is an arithmetic number, because the mean of its divisors is an integer number (368854127840).

It is a 1-persistent number, because it is pandigital, but 2⋅2211867304509 = 4423734609018 is not.

Almost surely, 2^{2211867304509} is an apocalyptic number.

It is an amenable number.

2211867304509 is a deficient number, since it is larger than the sum of its proper divisors (738965718211).

2211867304509 is a wasteful number, since it uses less digits than its factorization.

2211867304509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419154179.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 2211867304509 in words is "two trillion, two hundred eleven billion, eight hundred sixty-seven million, three hundred four thousand, five hundred nine".