111243516464 has 40 divisors (see below), whose sum is σ = 219019420848. Its totient is φ = 54724412160.

The previous prime is 111243516431. The next prime is 111243516479. The reversal of 111243516464 is 464615342111.

111243516464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816914 + ... + 943310.

Almost surely, 2^111243516464 is an apocalyptic number.

It is an amenable number.

111243516464 is a deficient number, since it is larger than the sum of its proper divisors (107775904384).

111243516464 is a wasteful number, since it uses less digits than its factorization.

111243516464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127293 (or 127287 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

Adding to 111243516464 its reverse (464615342111), we get a palindrome (575858858575).

The spelling of 111243516464 in words is "one hundred eleven billion, two hundred forty-three million, five hundred sixteen thousand, four hundred sixty-four".