111620120626 has 16 divisors (see below), whose sum is σ = 191566984896. Its totient is φ = 47782642896.

The previous prime is 111620120617. The next prime is 111620120639. The reversal of 111620120626 is 626021026111.

It is a junction number, because it is equal to n+sod(n) for n = 111620120594 and 111620120603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4533256 + ... + 4557811.

It is an arithmetic number, because the mean of its divisors is an integer number (11972936556).

Almost surely, 2^111620120626 is an apocalyptic number.

111620120626 is a deficient number, since it is larger than the sum of its proper divisors (79946864270).

111620120626 is an equidigital number, since it uses as much as digits as its factorization.

111620120626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9091953.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 111620120626 its reverse (626021026111), we get a palindrome (737641146737).

The spelling of 111620120626 in words is "one hundred eleven billion, six hundred twenty million, one hundred twenty thousand, six hundred twenty-six".