18272910209111 has 16 divisors (see below), whose sum is σ = 19271629493760. Its totient is φ = 17277916896000.

The previous prime is 18272910209083. The next prime is 18272910209143. The reversal of 18272910209111 is 11190201927281.

It is a cyclic number.

It is not a de Polignac number, because 18272910209111 - 2²² = 18272906014807 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 (18272910209171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23837180 + ... + 24591806.

It is an arithmetic number, because the mean of its divisors is an integer number (1204476843360).

Almost surely, 2^{18272910209111} is an apocalyptic number.

18272910209111 is a deficient number, since it is larger than the sum of its proper divisors (998719284649).

18272910209111 is a wasteful number, since it uses less digits than its factorization.

18272910209111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757094.

The product of its (nonzero) digits is 36288, while the sum is 44.

The spelling of 18272910209111 in words is "eighteen trillion, two hundred seventy-two billion, nine hundred ten million, two hundred nine thousand, one hundred eleven".