13665125106 has 24 divisors (see below), whose sum is σ = 29610124284. Its totient is φ = 4554679680.

The previous prime is 13665125083. The next prime is 13665125107. The reversal of 13665125106 is 60152156631.

13665125106 is a `hidden beast` number, since 1 + 36 + 6 + 512 + 5 + 106 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13191671025 + 473454081 = 114855^2 + 21759^2 .

It is a super-2 number, since 2×13665125106² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13665125107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300630 + ... + 343086.

Almost surely, 2^13665125106 is an apocalyptic number.

13665125106 is an abundant number, since it is smaller than the sum of its proper divisors (15944999178).

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

13665125106 is a wasteful number, since it uses less digits than its factorization.

13665125106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60346 (or 60343 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 13665125106 in words is "thirteen billion, six hundred sixty-five million, one hundred twenty-five thousand, one hundred six".