109906379718 has 32 divisors (see below), whose sum is σ = 220670248416. Its totient is φ = 36492622848.

The previous prime is 109906379711. The next prime is 109906379777. The reversal of 109906379718 is 817973609901.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109906379711) 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, 7493280 + ... + 7507932.

It is an arithmetic number, because the mean of its divisors is an integer number (6895945263).

Almost surely, 2^109906379718 is an apocalyptic number.

109906379718 is an abundant number, since it is smaller than the sum of its proper divisors (110763868698).

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

109906379718 is a wasteful number, since it uses less digits than its factorization.

109906379718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19448.

The product of its (nonzero) digits is 5143824, while the sum is 60.

The spelling of 109906379718 in words is "one hundred nine billion, nine hundred six million, three hundred seventy-nine thousand, seven hundred eighteen".