18272729110110 has 16 divisors (see below), whose sum is σ = 43854549864336. Its totient is φ = 4872727762688.

The previous prime is 18272729110057. The next prime is 18272729110169. The reversal of 18272729110110 is 1101192727281.

It is a super-2 number, since 2×18272729110110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 304545485139 + ... + 304545485198.

It is an arithmetic number, because the mean of its divisors is an integer number (2740909366521).

Almost surely, 2^{18272729110110} is an apocalyptic number.

18272729110110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18272729110110 is an abundant number, since it is smaller than the sum of its proper divisors (25581820754226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18272729110110 is a wasteful number, since it uses less digits than its factorization.

18272729110110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609090970347.

The product of its (nonzero) digits is 28224, while the sum is 42.

The spelling of 18272729110110 in words is "eighteen trillion, two hundred seventy-two billion, seven hundred twenty-nine million, one hundred ten thousand, one hundred ten".