109018199688 has 64 divisors (see below), whose sum is σ = 275722056000. Its totient is φ = 35916198912.

The previous prime is 109018199687. The next prime is 109018199699. The reversal of 109018199688 is 886991810901.

It is a super-3 number, since 3×109018199688³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (109018199683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5922483 + ... + 5940861.

It is an arithmetic number, because the mean of its divisors is an integer number (4308157125).

Almost surely, 2^109018199688 is an apocalyptic number.

It is an amenable number.

109018199688 is an abundant number, since it is smaller than the sum of its proper divisors (166703856312).

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

109018199688 is a wasteful number, since it uses less digits than its factorization.

109018199688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21254 (or 21250 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 60.

The spelling of 109018199688 in words is "one hundred nine billion, eighteen million, one hundred ninety-nine thousand, six hundred eighty-eight".