106605571825 has 12 divisors (see below), whose sum is σ = 134357975068. Its totient is φ = 83886350400.

The previous prime is 106605571801. The next prime is 106605571843. The reversal of 106605571825 is 528175506601.

It can be written as a sum of positive squares in 6 ways, for example, as 20732544144 + 85873027681 = 143988^2 + 293041^2 .

It is not a de Polignac number, because 106605571825 - 2⁹ = 106605571313 is a prime.

It is a super-2 number, since 2×106605571825² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34951122 + ... + 34954171.

Almost surely, 2^106605571825 is an apocalyptic number.

It is an amenable number.

106605571825 is a deficient number, since it is larger than the sum of its proper divisors (27752403243).

106605571825 is an equidigital number, since it uses as much as digits as its factorization.

106605571825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69905364 (or 69905359 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 106605571825 in words is "one hundred six billion, six hundred five million, five hundred seventy-one thousand, eight hundred twenty-five".