111139623111 has 16 divisors (see below), whose sum is σ = 161666339328. Its totient is φ = 67353720000.

The previous prime is 111139623107. The next prime is 111139623137. The reversal of 111139623111 is 111326931111.

It is not a de Polignac number, because 111139623111 - 2² = 111139623107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111139623611) 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, 612850 + ... + 773216.

It is an arithmetic number, because the mean of its divisors is an integer number (10104146208).

Almost surely, 2^111139623111 is an apocalyptic number.

111139623111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111139623111 is a deficient number, since it is larger than the sum of its proper divisors (50526716217).

111139623111 is a wasteful number, since it uses less digits than its factorization.

111139623111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181382.

The product of its digits is 972, while the sum is 30.

The spelling of 111139623111 in words is "one hundred eleven billion, one hundred thirty-nine million, six hundred twenty-three thousand, one hundred eleven".