108692199225 has 81 divisors (see below), whose sum is σ = 201446506989. Its totient is φ = 56020075200.

The previous prime is 108692199199. The next prime is 108692199233. The reversal of 108692199225 is 522991296801.

The square root of 108692199225 is 329685.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 30018681081 + 78673518144 = 173259^2 + 280488^2 .

It is not a de Polignac number, because 108692199225 - 2¹¹ = 108692197177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 153303171 + ... + 153303879.

Almost surely, 2^108692199225 is an apocalyptic number.

108692199225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

108692199225 is the 329685-th square number.

108692199225 is the 164843-rd centered octagonal number.

It is an amenable number.

108692199225 is a deficient number, since it is larger than the sum of its proper divisors (92754307764).

108692199225 is an frugal number, since it uses more digits than its factorization.

108692199225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 108692199225 in words is "one hundred eight billion, six hundred ninety-two million, one hundred ninety-nine thousand, two hundred twenty-five".