11601515106 has 12 divisors (see below), whose sum is σ = 25136616102. Its totient is φ = 3867171696.

The previous prime is 11601515089. The next prime is 11601515141. The reversal of 11601515106 is 60151510611.

11601515106 is a `hidden beast` number, since 1 + 1 + 601 + 5 + 1 + 51 + 0 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10727780625 + 873734481 = 103575^2 + 29559^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11601515106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322264291 + ... + 322264326.

Almost surely, 2^11601515106 is an apocalyptic number.

11601515106 is an abundant number, since it is smaller than the sum of its proper divisors (13535100996).

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

11601515106 is a wasteful number, since it uses less digits than its factorization.

11601515106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644528625 (or 644528622 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

It can be divided in two parts, 11 and 601515106, that multiplied together give a palindrome (6616666166).

The spelling of 11601515106 in words is "eleven billion, six hundred one million, five hundred fifteen thousand, one hundred six".