9181819111092 has 24 divisors (see below), whose sum is σ = 21775461718752. Its totient is φ = 3010432495200.

The previous prime is 9181819111081. The next prime is 9181819111109. The reversal of 9181819111092 is 2901119181819.

It is a super-4 number, since 4×9181819111092⁴ (a number of 53 digits) contains 4444 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6271733634 + ... + 6271735097.

It is an arithmetic number, because the mean of its divisors is an integer number (907310904948).

Almost surely, 2^{9181819111092} is an apocalyptic number.

It is an amenable number.

9181819111092 is an abundant number, since it is smaller than the sum of its proper divisors (12593642607660).

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

9181819111092 is a wasteful number, since it uses less digits than its factorization.

9181819111092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12543468799 (or 12543468797 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 51.

The spelling of 9181819111092 in words is "nine trillion, one hundred eighty-one billion, eight hundred nineteen million, one hundred eleven thousand, ninety-two".