11045642101065 has 160 divisors (see below), whose sum is σ = 23341361573376. Its totient is φ = 4926624560640.

The previous prime is 11045642101063. The next prime is 11045642101141. The reversal of 11045642101065 is 56010124654011.

11045642101065 is a `hidden beast` number, since 1 + 1 + 0 + 4 + 5 + 642 + 1 + 0 + 1 + 0 + 6 + 5 = 666.

It is not a de Polignac number, because 11045642101065 - 2¹ = 11045642101063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11045642101063) by changing a digit.

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 159 ways as a sum of consecutive naturals, for example, 16643632 + ... + 17294558.

Almost surely, 2^{11045642101065} is an apocalyptic number.

11045642101065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11045642101065 is an abundant number, since it is smaller than the sum of its proper divisors (12295719472311).

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

11045642101065 is a wasteful number, since it uses less digits than its factorization.

11045642101065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651261 (or 651252 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

Adding to 11045642101065 its reverse (56010124654011), we get a palindrome (67055766755076).

The spelling of 11045642101065 in words is "eleven trillion, forty-five billion, six hundred forty-two million, one hundred one thousand, sixty-five".