111116061623 has 12 divisors (see below), whose sum is σ = 136860840432. Its totient is φ = 89639847360.

The previous prime is 111116061619. The next prime is 111116061647. The reversal of 111116061623 is 326160611111.

It is not a de Polignac number, because 111116061623 - 2² = 111116061619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111116061523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66695483 + ... + 66697148.

It is an arithmetic number, because the mean of its divisors is an integer number (11405070036).

Almost surely, 2^111116061623 is an apocalyptic number.

111116061623 is a deficient number, since it is larger than the sum of its proper divisors (25744778809).

111116061623 is a wasteful number, since it uses less digits than its factorization.

111116061623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133392662 (or 133392655 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

Adding to 111116061623 its reverse (326160611111), we get a palindrome (437276672734).

The spelling of 111116061623 in words is "one hundred eleven billion, one hundred sixteen million, sixty-one thousand, six hundred twenty-three".