111366023643 has 24 divisors (see below), whose sum is σ = 186057301248. Its totient is φ = 62871005232.

The previous prime is 111366023641. The next prime is 111366023663. The reversal of 111366023643 is 346320663111.

111366023643 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 6 + 6 + 0 + 2 + 3 + 643 = 666.

It is not a de Polignac number, because 111366023643 - 2¹ = 111366023641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111366023598 and 111366023607.

It is not an unprimeable number, because it can be changed into a prime (111366023641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10643655 + ... + 10654112.

It is an arithmetic number, because the mean of its divisors is an integer number (7752387552).

Almost surely, 2^111366023643 is an apocalyptic number.

111366023643 is a deficient number, since it is larger than the sum of its proper divisors (74691277605).

111366023643 is a wasteful number, since it uses less digits than its factorization.

111366023643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21297863 (or 21297860 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

Adding to 111366023643 its reverse (346320663111), we get a palindrome (457686686754).

The spelling of 111366023643 in words is "one hundred eleven billion, three hundred sixty-six million, twenty-three thousand, six hundred forty-three".