109199997804 has 24 divisors (see below), whose sum is σ = 261686482288. Its totient is φ = 35416215360.

The previous prime is 109199997799. The next prime is 109199997817. The reversal of 109199997804 is 408799991901.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122972527 + ... + 122973414.

Almost surely, 2^109199997804 is an apocalyptic number.

It is an amenable number.

109199997804 is an abundant number, since it is smaller than the sum of its proper divisors (152486484484).

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

109199997804 is a wasteful number, since it uses less digits than its factorization.

109199997804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245945985 (or 245945983 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 66.

The spelling of 109199997804 in words is "one hundred nine billion, one hundred ninety-nine million, nine hundred ninety-seven thousand, eight hundred four".