11533262140161 has 32 divisors (see below), whose sum is σ = 17892198481920. Its totient is φ = 7328556073872.

The previous prime is 11533262140157. The next prime is 11533262140171. The reversal of 11533262140161 is 16104126233511.

11533262140161 is a `hidden beast` number, since 1 + 1 + 533 + 2 + 6 + 21 + 40 + 1 + 61 = 666.

It is not a de Polignac number, because 11533262140161 - 2² = 11533262140157 is a prime.

It is a super-2 number, since 2×11533262140161² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11533262140171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32637121 + ... + 32988606.

It is an arithmetic number, because the mean of its divisors is an integer number (559131202560).

Almost surely, 2^{11533262140161} is an apocalyptic number.

It is an amenable number.

11533262140161 is a deficient number, since it is larger than the sum of its proper divisors (6358936341759).

11533262140161 is a wasteful number, since it uses less digits than its factorization.

11533262140161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65626042 (or 65626036 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 11533262140161 its reverse (16104126233511), we get a palindrome (27637388373672).

The spelling of 11533262140161 in words is "eleven trillion, five hundred thirty-three billion, two hundred sixty-two million, one hundred forty thousand, one hundred sixty-one".