108236225378 has 6 divisors (see below), whose sum is σ = 162355035969. Its totient is φ = 54117880056.

The previous prime is 108236225369. The next prime is 108236225401. The reversal of 108236225378 is 873522632801.

It can be written as a sum of positive squares in 2 ways, for example, as 74279686849 + 33956538529 = 272543^2 + 184273^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=232633.

It is a super-2 number, since 2×108236225378² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon 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 2 ways as a sum of consecutive naturals, for example, 348950 + ... + 581582.

Almost surely, 2^108236225378 is an apocalyptic number.

108236225378 is a deficient number, since it is larger than the sum of its proper divisors (54118810591).

108236225378 is an frugal number, since it uses more digits than its factorization.

108236225378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465268 (or 232635 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 108236225378 in words is "one hundred eight billion, two hundred thirty-six million, two hundred twenty-five thousand, three hundred seventy-eight".