111621796694 has 8 divisors (see below), whose sum is σ = 167712217200. Its totient is φ = 55717724296.

The previous prime is 111621796687. The next prime is 111621796703. The reversal of 111621796694 is 496697126111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46585529 + ... + 46587924.

It is an arithmetic number, because the mean of its divisors is an integer number (20964027150).

Almost surely, 2^111621796694 is an apocalyptic number.

111621796694 is a deficient number, since it is larger than the sum of its proper divisors (56090420506).

111621796694 is an equidigital number, since it uses as much as digits as its factorization.

111621796694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93174054.

The product of its digits is 979776, while the sum is 53.

The spelling of 111621796694 in words is "one hundred eleven billion, six hundred twenty-one million, seven hundred ninety-six thousand, six hundred ninety-four".