111664511133 has 16 divisors (see below), whose sum is σ = 170246062080. Its totient is φ = 63774310896.

The previous prime is 111664511099. The next prime is 111664511141. The reversal of 111664511133 is 331115466111.

It is not a de Polignac number, because 111664511133 - 2⁹ = 111664510621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111664511094 and 111664511103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111664519133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1375485 + ... + 1454402.

It is an arithmetic number, because the mean of its divisors is an integer number (10640378880).

Almost surely, 2^111664511133 is an apocalyptic number.

It is an amenable number.

111664511133 is a deficient number, since it is larger than the sum of its proper divisors (58581550947).

111664511133 is a wasteful number, since it uses less digits than its factorization.

111664511133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831776.

The product of its digits is 6480, while the sum is 33.

Adding to 111664511133 its reverse (331115466111), we get a palindrome (442779977244).

The spelling of 111664511133 in words is "one hundred eleven billion, six hundred sixty-four million, five hundred eleven thousand, one hundred thirty-three".